American Thoracic Society Statement: Occupational Contribution to the Burden of Airway Disease

The European Community Respiratory Health Survey

Burney, P., Luczynska, C. M., Chinn, S., & Jarvis, D. (1994) · European Respiratory Journal · doi:10.1183/09031936.94.07050954 · Cited by 1,999

Optimal assessment and management of chronic obstructive pulmonary disease (COPD). The European Respiratory Society Task Force

Siafakas, N., Vermeire, P. A., Pride, N. B., Paoletti, P., Gibson, J., Howard, P., Yernault, J. C., Decramer, M., Higenbottam, T., Postma, D. S., et al. (1995) · European Respiratory Journal · doi:10.1183/09031936.95.08081398 · Cited by 1,583

Chronic Obstructive Pulmonary Disease

Barnes, P. J. (2000) · New England Journal of Medicine · doi:10.1056/nejm200007273430407 · Cited by 1,078

Obstructive Lung Disease and Low Lung Function in Adults in the United States

Mannino, D. M., Gagnon, R., Petty, T. L., & LYDICK, E. G. (2000) · Archives of Internal Medicine · doi:10.1001/archinte.160.11.1683 · Cited by 712

Allergic respiratory disease: strategic targets for primary prevention during childhood

Holt, P. G., & Sly, P. D. (1997) · Thorax · doi:10.1136/thx.52.1.1 · Cited by 463

Occupational asthma in Europe and other industrialised areas: a population-based study

Kogevinas, M., Antó, J. M., Sunyer, J., Tobı́as, A., Kromhout, H., & Burney, P. (1999) · The Lancet · doi:10.1016/s0140-6736(98)07397-8 · Cited by 446

BTS Guidelines for the Management of Chronic Obstructive Pulmonary Disease

(1997) · Thorax · doi:10.1136/thx.52.2008.s1.5 · Cited by 446

Inhaled Endotoxin and Decreased Spirometric Values

Castellan, R. M., Olenchock, S. A., Kinsley, K. B., & Hankinson, J. (1987) · New England Journal of Medicine · doi:10.1056/nejm198709033171005 · Cited by 377

Quantitative relationships between cigarette smoking and ventilatory function.

Burrows, B. A., Knudson, R. J., Cline, M. G., & Lebowitz, M. D. (1977) · PubMed · doi:10.1164/arrd.1977.115.2.195 · Cited by 353

Clinical features and natural history of occupational asthma due to western red cedar (Thuja plicata)

Chan‐Yeung, M., Lam, S. C., & Koener, S. (1982) · The American Journal of Medicine · doi:10.1016/0002-9343(82)90497-1 · Cited by 318

Population-attributable fraction for occupation and asthma

Torén, K., & Blanc, P. D. (2010) · Birkhäuser Basel eBooks · doi:10.1007/978-3-7643-8556-9_4 · Cited by 1

Il paziente affetto da BPCO

Caironi, P. (2011) · Springer eBooks · doi:10.1007/978-88-470-1723-8_7 · Cited by 1

COPD in Non-smokers

Lam, H. K. B., Kurmi, O., & Ayres, J. G. (2012) · Humana Press eBooks · doi:10.1007/978-1-62703-149-3_14 · Cited by 1

Comparative Effects of Exercise on Selected Cardiorespiratory Parameters among Young Adults from Different Ethnic Groups Resident in Nigeria

Alese, O. O. (2014) · American Journal of Clinical and Experimental Medicine · doi:10.11648/j.ajcem.20140206.12 · Cited by 1

Physical activity monitoring in COPD patients

Albert, P. (2013) · University of Liverpool · doi:10.17638/00007173 · Cited by 1

Asthma and body mass index in occupational setting.

Seyedmehdi, S. M., Masjedi, M. R., Dehghan, F., Roozbahani, R., Sadeghi, Z., Bahadori, B., & Attarchi, M. (2014) · Europe PMC (PubMed Central) · Cited by 1

Kols – ikke bare hos røykere

Leira, H. L. (2011) · Tidsskrift for Den norske legeforening · doi:10.4045/tidsskr.11.0481 · Cited by 1

PREVALENCE OF COPD RISK FACTORS IN PEOPLE LIVING IN COUNTRYSIDE

Kotlyarov, S. N., & Kotlyarov, S. N. (2011) · I P Pavlov Russian Medical Biological Herald · doi:10.17816/pavlovj2011214-14 · Cited by 1

Study of Bode index as a predictor of severity and systemic involvement in patients with COPD

Shivakumar, B., & Krishna, V. V. (2015) · Cited by 1

COPD durch berufliche Noxen

Baur, X. (2018) · Pneumologie · doi:10.1055/a-0746-6083 · Cited by 1

Pulmonary ventilation and gases exchange disorders in workers engaged into refractory materials production

Konevskikh, L. A., Omelchenko, O. G., Геннадьевна, Д. О., Varaksin, A. N., & Obukhova, T. Y. (2019) · Russian Journal of Occupational Health and Industrial Ecology · doi:10.31089/1026-9428-2019-2-74-79 · Cited by 1

Science-driven health preservation in industry workers exposed to silicon-containing aerosols

Konevskikh, L. A., Gurvich, V. B., Omelchenko, O. G., Геннадьевна, Д. О., Obukhova, T. Y., & Varaksin, A. N. (2019) · Russian Journal of Preventive Medicine · doi:10.17116/profmed2019220425 · Cited by 1

MODERN CONCEPTS OF THE ROLE OF TRANSIENT RECEPTOR POTENTIAL CHANNELS IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE PATHOGENESIS (REVIEW)

Sugaylo, I. Y., & Naumov, D. E. (2019) · Bulletin physiology and pathology of respiration · doi:10.36604/1998-5029-2019-74-119-130 · Cited by 1

Allergy and immunotoxicology in preventive and clinical medicine from theory to practice: Occupational allergy and isocyanate-induced asthma

Dobashi, K., Yoshida, T., Morimoto, Y., Ueda, A., Itoh, T., Wada, H., Kayama, F., Satoh, K., Satoh, M., Shibata, E., et al. (2022) · SANGYO EISEIGAKU ZASSHI · doi:10.1539/sangyoeisei.2021-040-a · Cited by 1

Respiratory Symptoms, Lung Function Impairment, and Chronic Respiratory Diseases Among Crop Farmers: Assessment by Job Exposure Matrices

Stoleski, S., Минов, Ј., Karadžinska-Bislimovska, J., & Mijakoski, D. (2016) · EMJ Respiratory · doi:10.33590/emjrespir/10312773 · Cited by 1

Gut Infections: Etiopathogenetic and Clinical Remarks

Dionisio, D. (2003) · Springer eBooks · doi:10.1007/978-88-470-2091-7_11 · Cited by 1

Assessment of Respiratory Morbidities among Police Personnel in Kochi city, Ernakulam

Mary, E. (2013) · Cited by 1

Financial Disclosure and Toxic Products: Encouraging Wall Street to Anticipate Product Risk and Exercise Precaution

Lewis, S. J., & Byrne, M. M. (2009) · NEW SOLUTIONS A Journal of Environmental and Occupational Health Policy · doi:10.2190/ns.19.1.d · Cited by 1

Les maladies professionnelles respiratoires : des pathologies fréquentes mais souvent méconnues ou sous-déclarées

Dalphin, J., & Pairon, J. ‐. (2006) · Revue des Maladies Respiratoires · doi:10.1016/s0761-8425(06)71793-4 · Cited by 1

WAO-instroom door werkgebonden aandoeningen van de huid en de luchtwegen. Deel II: de luchtwegaandoeningen

Kremer, A. M., van den Heuvel, S. G., Jettinghoff, K., & van Putten, D. J. (2004) · Tijdschrift voor bedrijfs- en verzekeringsgeneeskunde · doi:10.1007/bf03074098 · Cited by 1

Re: Preventing baker's asthma: an alternative strategy

Fishwick, D., Elms, J., & Curran, A. (2005) · Occupational Medicine · doi:10.1093/occmed/kqi008 · Cited by 1

Factors associated with lung function impairment in children and adults with obstructive lung disease

Hallberg, J. (2008) · Figshare · Cited by 1

FRAMING HEALTH MATTERS

Schulte, P. A., Wagner, G. R., Ostry, A., Blanciforti, L., Cutlip, R. G., Krajnak, K., Luster, M. I., Munson, A. E., Parks, C. G., Simeonova, P. P., et al. (2007) · Cited by 1

The relevance of chronic respiratory symptoms without airflow obstruction : health-related characteristics and impact on patient prognosis

Buni, H. (2016) · University of Birmingham Institutional Research Archive (University of Birmingham) · Cited by 1

Mining

Cowie, R. L. (2010) · Wiley eBooks · doi:10.1002/9780470710425.ch13 · Cited by 1

Disease occurrence and risk factors

Jaakkola, M. S., Gautrin, D., & Malo, J. (2013) · Informa Healthcare eBooks · doi:10.3109/9781841849256.003 · Cited by 1

Beryllium

Welch, L. S. (2012) · Wiley eBooks · doi:10.1002/0471435139.tox027.pub2 · Cited by 1

NHG-Standaard COPD

Smeele, I. J. M., van Schayck, C. P., van Schayck, O. C. P., van der Molen, T., Thoonen, B. P. A., Schermer, T. R., Sachs, A. P. E., Muris, J. W. M., Chavannes, N. H., Kolnaar, B., et al. (2011) · Bohn Stafleu van Loghum eBooks · doi:10.1007/978-90-313-8279-8_58 · Cited by 1

Pulmonary Effects of Inhaled Mineral Dusts

Fishwick, D., & Barber, C. M. (2021) · Wiley eBooks · doi:10.1002/0471435139.hyg076.pub2 · Cited by 1

Smoking and High-Fat Diet: Risk Factors Regulating Emphysema Formation

Golovatch, P. (2011) · doi:10.7916/d8q52wmv

Microbial Bioaerosols in the Occupational Environment: Exposure, Detection, and Disease

Reponen, T. A., & Green, B. J. (2012) · Wiley eBooks · doi:10.1002/0471435139.tox019.pub2

An interdisciplinary approach to occupational respiratory disorders

van Rooy, G. B. G. J. (2010) · Utrecht University Repository (Utrecht University)

Measurement of Nerve Growth Factor in Induced Sputum and Exhaled Breath Condensate

Nwiloh, V. M. (2006)

Acute affective and physiological response to different exercise-training protocols in patients with chronic obstructive pulmonary disease (COPD)

Rizk, A. (2010) · Spectrum Research Repository (Concordia University)

Efeitos da atividade física intensa e moderada sobre a enfisema pulmonar

Barnabé, V. (2010) · doi:10.11606/t.5.2010.tde-03112010-162514

Wood and Textile Industries

Torén, K. (2010) · Wiley eBooks · doi:10.1002/9780470710425.ch17

Occupational respiratory health surveillance at Minara Resources, Murrin Murrin mine site

Cross, M., & Oosthuizen, J. D. (2013) · Australasian Journal of Paramedicine

Pył organiczny w środowisku pracy i jego wpływ na organizm ludzki

Maćkiewicz, B. (2014) · Bezpieczeństwo Pracy : nauka i praktyka

O papel do treinamento físico resistido durante o periodo de hospitalização na melhora clínica, funcional e da qualidade de vida em pacientes com doença pulmonar obstrutiva crônica

Borges, R. C. (2012) · Digital Library of Theses and Dissertations (Universidade de São Paulo) · doi:10.11606/d.5.2012.tde-27022012-114212

Occupational Exposures and Asthma in Domestic Cleaning Women

Ramón, M. M. (2005) · Repositori digital de la UPF (Universitat Pompeu Fabra)

Men with asthma since youth : Prognosis, impact of work and effect on work ability

Lindström, I. (2013) · Työväentutkimus Vuosikirja

Update on occupational asthma

McArthur, R. (2006) · Independent Nurse · doi:10.12968/indn.2006.1.4.74085

Epidemiology of Occupational Asthma

Taylor, A. J. N., & Cullinan, P. (2008) · Springer eBooks · doi:10.1007/978-4-431-72802-3_6

α1-Antitrypsin-Mangel in der COPD- und Emphysementstehung

Schroth, S., & Bals, R. (2010) · Der Pneumologe · doi:10.1007/s10405-009-0381-6

Occupational airways disease

Szram, J. (2012) · Medicine · doi:10.1016/j.mpmed.2012.03.009

Pathologies respiratoires professionnelles : exemple de l’asthme professionnel

Bonniaud, P. (2007) · Revue des Maladies Respiratoires · doi:10.1016/s0761-8425(07)74276-6

Susceptibilité individuelle, environnement et BPCO

Lemarié, E. (2009) · Revue des Maladies Respiratoires Actualités · doi:10.1016/s1877-1203(09)72524-8

Lower Airway Inflammation in Nonasthmatic Allergic Rhinitis Patients

Alpaydın, A. Ö., Bora, M., Günhan, K., İşisağ, A., Çelik, O., Çelik, P., Taneli, F., & Yorgancıoğlu, A. (2011) · Turkiye Klinikleri Journal of Medical Sciences · doi:10.5336/medsci.2010-19523

Apport des Sociétés de médecine du travail dans l’EPP en santé au travail

Pairon, J. ‐., Conso, F., Cothereau, C., & Brochard, P. (2008) · Archives des maladies professionnelles et de médecine du travail/Archives des maladies professionnelles et de l'environnement · doi:10.1016/j.admp.2008.03.071

Compliance To Different Exercise-Training Protocols In Individuals With Chronic Obstructive Pulmonary Disease

Wardini, R., Rizk, A., Chan-Thim, E., Moullec, G., de Lorimier, M., & Pepin, V. (2012) · American Journal of Respiratory and Critical Care Medicine · doi:10.1164/ajrccm-conference.2012.185.1_meetingabstracts.a4853

COPD: inspiring better health

Phillips, F., Holton, K., & Hill, S. (2009) · British Journal of Healthcare Management · doi:10.12968/bjhc.2009.15.sup2.43279

Asthma in the Workplace

Borak, J. B. (2007) · Journal of Occupational and Environmental Medicine · doi:10.1097/jom.0b013e31802ec251

Work-Related Airways Disease

Namath, A., & Kuschner, W. G. (2006) · Clinical Pulmonary Medicine · doi:10.1097/01.cpm.0000220057.27753.79

Exacerbaciones en pacientes ex-fumadores con enfermedad pulmonar obstructiva crónica. Efectos clínicos y funcionales a corto plazo

Christian Sandoval, A., Jorge Dreyse, D., Orlando Díaz, P., Fernando Saldías, P., & Carmen Lisboa, B. (2009) · Revista chilena de enfermedades respiratorias · doi:10.4067/s0717-73482009000200004

BPCO et travail

Pairon, J. ‐., Dalphin, J., & Ameille, J. (2009) · Revue des Maladies Respiratoires Actualités · doi:10.1016/s1877-1203(09)75286-3

Diurnal Variations in the Acute Response to Exercise in Chronic Obstructive Pulmonary Disease

Chan-Thim, E. (2011) · Asian Test Symposium · doi:10.1164/ajrccm-conference.2011.183.1_meetingabstracts.a4591

Aktualisierte Leitlinie: „Prävention arbeitsbedingter obstruktiver Atemwegserkrankungen” (S1 nach AWMF-Schema)

Baur, X. (2012) · Zentralblatt für Arbeitsmedizin Arbeitsschutz und Ergonomie · doi:10.1007/bf03346169

In reply: response to Al-Kassimi and Alhamad

Lee, S. (2013) · Current Respiratory Care Reports · doi:10.1007/s13665-013-0049-x

Correlates of Health Related Quality of Life of Chronic Obstructive Pulmonary Disease Patients in Nigeria

Mohammed, J., Salisu, A., & Sumaila, F. G. (2014) · International journal of nursing

Envitonmental epidemiological study on respiratory diseases in two Hungarian towns

Posgay, M., Varró, M. J., Szentmihályi, R., & Láng, Z. (2010) · Orvosi Hetilap · doi:10.1556/oh.2010.28804

Avaliação do retinol no escarro e no soro de tabagistas e pacientes com doença pulmonar obstrutiva crônica e sua relação com o processo inflamatório

do Amaral, R. A. F. (2010) · doi:10.5016/dt000612902

Pulmonary Effects of Inhaled Mineral Dusts

Fishwick, D. (2011) · Wiley eBooks · doi:10.1002/0471435139.hyg076

Commentary on “COPD Causation and Workplace Exposures: An Assessment of Agreement Among Expert Clinical Raters”

Rose, C. S. (2013) · COPD Journal of Chronic Obstructive Pulmonary Disease · doi:10.3109/15412555.2013.776919

Responsividade do tecido pulmonar periférico de pacientes com doença pulmonar obstrutiva crônica

Lanças, T. (2009) · doi:10.11606/t.5.2009.tde-08032010-155914

Il diagramma proporzionale di Venn delle malattie ostruttive del polmone nella popolazione generale italiana

Viegi, G., Matteelli, G., Angino, A., Scognamiglio, A., Baldacci, S., Soriano, J. B., & Carrozzi, L. (2005) · CINECA IRIS Institutial research information system (University of Pisa)

Occupational asthma: a review of current concept

Adewole, O. (2010)

Vers une meilleure caractérisation des sujets atteints d'asthme exacerbé

Chiry, S., & de Médecine, F. (2009)

ing carries serious risks, especially for children and those chronically exposed. The WHO estimates that passive smoking is associated with a 10 - 43% increase in risk of COPD in adults.

Pec, D., & Specialist (2009)

SERIES ''THE GLOBAL BURDEN OF CHRONIC OBSTRUCTIVE PULMONARY DISEASE'' Edited by K.F. Rabe and J.B. Soriano Number 4 in this Series Increasing COPD awareness

Zielinski, J., Bednarek, M., Viegi, G., Fukuchi, Y., & Vermeire, P. A. (2006)

Health Disparities in Occupational Exposures

Rosenman, K. D. (2015) · Respiratory medicine · doi:10.1007/978-3-319-23675-9_4

Asthma and hand dermatitis in cleaning workers: characteristics and risk factors

Vizcaya, D. (2011) · LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)

Smoking patterns and lung function : A longitudinal twin study

Hukkinen, M. (2011) · Työväentutkimus Vuosikirja

Radiographic Manifestations of Occupational Lung Disease

Ahuja, J., Kanne, J. P., & Meyer, C. A. (2015) · Clinical Pulmonary Medicine · doi:10.1097/cpm.0000000000000078

KOL - EN MULTIFAKTORIELL

Larsson, S. (2007) · Lund University Publications (Lund University)

Occupational Asthma. Current Practice

Szram, J. (2012) · Clinical Pulmonary Medicine · doi:10.1097/cpm.0b013e3182670d09

Does implementing COPD guidelines improve patient care and save money in practice?

Jones, R. C. M., & Copper, S. (1999) · Primary Care Respiratory Journal · doi:10.1038/pcrj.1999.5

UNDIAGNOSED PULMONARY OBSTRUCTION AND RESTRICTION AND DUST EXPOSURE: PILOT INVESTIGATIONS EXAMINING THE RELATIONSHIP AMONG AGRICULTURAL WORKERS

Holsinger, C. (2016) · UKnowledge (University of Kentucky)

Six-Minute Walk Test cut-off value identifying COPD patients with physical disability: a pilot study

Incorvaia, C., Paterniti, F., Pessina, L., Caligiuri, R., Frati, F., Yacoub, M., & Sforza, G. G. R. (2016) · Monaldi Archives for Chest Disease · doi:10.4081/monaldi.2010.290

Recours au spiromètre de bureau par les médecins généralistes picards, applications à la prise en charge de BPCO

Pautre, V. (2015) · HAL

RECOMENDACIONES PARA LA PREVENCIóN, DIAGNóSTICO y TRATAMIENTO DE LA EPOC EN LA ARGENTINA

Ferrer, M. J., Aires, B., & Rendón, E. C. (2012)

EVOLUTION DE L'ASTHME AU LONG COURS : ASPECTS METHODOLOGIQUES ET LIEN AVEC LA POLLUTION ATMOSPHERIQUE

Xi, S., & Doctorale, É. (2015)

Unraveling chronic obstructive pulmonary disease and keeping up with new and avatars of old occupational lung diseases

Varkey, B., & Glazer, C. S. (2016) · Current Opinion in Pulmonary Medicine · doi:10.1097/mcp.0000000000000253

Prevalence of Bronchial Asthma among School Children (Under 12 Years of Age) In Nedumangadu Municipality Area

Sreejith, P. S. (2016) · Journal of Medical Science And clinical Research · doi:10.18535/jmscr/v4i7.37

Clinical, morphological and molecular characterization of cancer phenotypes associated with chronic obstructive pulmonary disease (COPD): new prospective of target therapies

Thiene, G. (2012)

Prävention arbeitsbedingter obstruktiver Atemwegserkrankungen Interdisziplinäre S1-Leitlinie der Deutschen Gesellschaft für Arbeitsmedizin und Umweltmedizin Prevention of Occupational Airway Diseases Interdisciplinary Guideline of the German Society for Occupational and Environmental Medicine

Baur, X., Heutelbeck, A. R. R., Kujath, P., Stahlkopf, H., Thieme, G., & York, V. K. S. ·. N. (2011)

Respiratory symptoms and lung function in pig farmers

Laasonen, K. (2006) · Tampere University Institutional Repository (Tampere University)

HOW ACCURATE IS THE PULSE OXIMETRY READING IN AN INTENSIVE CARE SETUP

Srivatsan, R., Asmathulla, S., & Girija, S. (2015) · International Journal of Pharma and Bio Sciences

Impairment and disability evaluations: I. Psychosocial, economic, and medicolegal aspects

Blanc, P. D., Harber, P. I., Lavoie, K., & Vandenplas, O. (2013) · Informa Healthcare eBooks · doi:10.3109/9781841849256.013a

Enfermedad de las vías aéreas

Fraser, R. S., Colman, N. C., Müller, N. L., & Paré, P. D. (2006) · Elsevier eBooks · doi:10.1016/b978-84-458-1603-5.50015-0

Disease occurrence and risk factors

Jaakkola, M. S., Gautrin, D., & Malo, J. (2013) · CRC Press eBooks · doi:10.1201/b15116-8

Measure and effect of diet in chronic obstructive pulmonary disease

García, B. P., & De, J. V. (2011) · LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas)

Current Issue of Chronic Obstructive Pulmonary Disease

Lee, K. S., Lee, D.-R., & Jang, J.-S. (2012) · Korean Journal of Family Practice

The Critically Injured Worker

HOLLAND, M. G. (2016) · Springer eBooks · doi:10.1007/978-3-319-20790-2_59-1

Occupational Agents

Malo, J., Chan‐Yeung, M., & Kennedy, S. (2009) · Elsevier eBooks · doi:10.1016/b978-0-12-374001-4.00036-5

Psycho-socio-economic and Health Outcomes of Patients with Work-Related Asthma and Relationships to Different Models of Clinic Organization

Lipszyc, J. C. (2016) · TSpace (University of Toronto)

The Effect of Agricultural Exposures and Genetics on Respiratory Phenotypes

Boyd, L. W.-M. (2016) · DigitalCommons@UNMC

AJRCCM : 100-Y ear A nniversary . Clearing the Air: Indoors, Outdoors, and At Work

Balmes, J. R. (2017) · American Journal of Respiratory and Critical Care Medicine · doi:10.1164/rccm.201701-0152ed

Obstructive Pulmonary Diseases

Colt, H. G., & Bergin, C. J. (1999) · Springer eBooks · doi:10.1007/978-1-4471-3440-4_10

INCIDENTAL CHEST RADIOGRAPHIC FINDINGS IN HEALTHY INDIAN RESEARCH SUBJECTS

Rasaily, D., Jain, A., & Rajinder Jalali, K. (2017) · Journal of Evolution of Medical and Dental Sciences · doi:10.14260/jemds/2017/242

The Critically Poisoned Worker

HOLLAND, M. G. (2017) · Springer eBooks · doi:10.1007/978-3-319-17900-1_59

The Occupational Contribution to Chronic Obstructive Pulmonary Disease Risk in a Population-based Study

Blanc, P. D., Eisner, M. D., Earnest, G. E., Trupin, L. S., Balmes, J. R., Yelin, E. H., & Katz, P. (2012) · Proceedings of the American Thoracic Society

[Airway diseases as occupational disease].

(1987) · PubMed

[Respiratory airways pay a heavy tribute to occupational diseases].

Kurz, C. (1981) · PubMed

Occupational asthma: still an underestimated burden?

Liviero, F. (2025) · Thorax · doi:10.1136/thorax-2025-223499 · Cited by 1

of the American Thoracic Society;

Russell, R., Singh, D., Journal, O. T., Leff, A. R., & Virchow, C. J. C. (2013)