Is There a Threshold Concentration of Cat Allergen Exposure on Respiratory Symptoms in Adults?

• Chih-Mei Chen ,

  Contributed equally to this work with: Chih-Mei Chen, Elisabeth Thiering

  Affiliations Paediatric Epidemiology, Institute of Social Medicine, Epidemiology and Health Economics, Charité University Medical Centre Berlin, Berlin, Germany, Helmholtz Zentrum München, German Research Centre for Environmental Health, Institute of Epidemiology, Neuherberg, Germany

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• Elisabeth Thiering ,

  Contributed equally to this work with: Chih-Mei Chen, Elisabeth Thiering

  Affiliation Helmholtz Zentrum München, German Research Centre for Environmental Health, Institute of Epidemiology, Neuherberg, Germany

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• Jan-Paul Zock,

  Affiliations Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain, Universitat Pompeu Fabra (UPF), Barcelona, Spain, CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain, Netherlands Institute for Health Services Research (NIVEL), Utrecht, The Netherlands

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• Simona Villani,

  Affiliation Department of Health Sciences, University of Pavia, Pavia, Italy

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• Mario Olivieri,

  Affiliation Unit of Occupational Medicine, University Hospital of Verona, Verona, Italy

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• Lars Modig,

  Affiliation Occupational and Environmental Medicine, Umeå University, Umeå, Sweden

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• Deborah Jarvis,

  Affiliation Respiratory Epidemiology and Public Health Group, Imperial College London, London, United Kingdom

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• Dan Norbäck,

  Affiliation Department of Medical Science, Occupational and Environmental Medicine, Uppsala University, Uppsala, Sweden

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• Giuseppe Verlato,

  Affiliation Unit of Epidemiology and Medical Statistics, University of Verona, Verona, Italy

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• Joachim Heinrich

  * E-mail: joachim.heinrich@helmholtz-muenchen.de

  Affiliation Helmholtz Zentrum München, German Research Centre for Environmental Health, Institute of Epidemiology, Neuherberg, Germany

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