Affiliations

• ¹ Dr. von Hauner Children's Hospital, Ludwig Maximilians University Munich, Munich, Germany.
• ² Dr. von Hauner Children's Hospital, Ludwig Maximilians University Munich, Munich, Germany; Member of German Center for Lung Research, DZL, LMU Munich, Germany.
• ³ Dr. von Hauner Children's Hospital, Ludwig Maximilians University Munich, Munich, Germany; University of California, San Diego, School of Medicine, Department of Pediatrics, CA, USA.
• ⁴ Department of Pediatric Pneumology and Allergy, University Children's Hospital Regensburg (KUNO), Regensburg, Germany.
• ⁵ Zurich University Children's Hospital, Zurich, Switzerland; Children's Hospital of Eastern Switzerland, St. Gallen, Switzerland and Christine Kühne-Center for Allergy Research and Education, St. Gallen, Switzerland.
• ⁶ Institute of Epidemiology and Medical Biometry, Ulm University, Ulm, Germany.
• ⁷ Institute of Laboratory Medicine, Philipps University Marburg, Marburg, Germany; Member of German Center for Lung Research, DZL, LMU Munich, Germany.
• ⁸ Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, Finland.
• ⁹ Bavarian Health and Food Safety Authority, Oberschleißheim, Germany.
• ¹⁰ Swiss Tropical and Public Health Institute, Basel, Switzerland; University of Basel, Basel, Switzerland.
• ¹¹ Children's Hospital Schwarzach, Schwarzach, Austria.
• ¹² Children's Hospital of Eastern Switzerland, St. Gallen, Switzerland and Christine Kühne-Center for Allergy Research and Education, St. Gallen, Switzerland.
• ¹³ University Hospital of Besançon, University of Franche-Comté, Besançon, France.
• ¹⁴ Department of Public health, University of Helsinki, Helsinki, Finland; Department of Health Security, National Institute for Health and Welfare, Kuopio, Finland.
• ¹⁵ Dr. von Hauner Children's Hospital, Ludwig Maximilians University Munich, Munich, Germany; Member of German Center for Lung Research, DZL, LMU Munich, Germany. Electronic address: Bianca.Schaub@med.uni-muenchen.de.
• ¹⁶ Department of Health Security, National Institute for Health and Welfare, Kuopio, Finland.
• ¹⁷ Kuopio University Hospital, Department of Paediatrics, Kuopio, Finland.
• ¹⁸ Utrecht University, Institut for Risk Assessment Sciences (IRAS), Devision of Environmental Epidemiology, Utrecht, Netherlands.