1. Dr von Hauner Children’s Hospital Ludwig Maximilians University of Munich Munich Germany
2. Institute for Asthma and Allergy Prevention Helmholtz Zentrum Muenchen ‐ German Research Center for Environmental Health Munich Germany
3. Member of the German Center for Lung Research Comprehensive Pneumology Center Munich (CPC‐M) Munich Germany
4. Christine Kühne Center for Allergy Research and Education Davos Switzerland
5. Children’s Hospital of Eastern Switzerland St Gallen Switzerland
6. Children’s Hospital Schwarzach Schwarzach Austria
7. Department of Public Health University of Helsinki Helsinki Finland
8. Department of Health Security National Institute for Health and Welfare Kuopio Finland
9. UMR/CNRS 6249 Chrono‐Environment University of Bourgogne Franche Comté Besanҫon France
10. Pediatric Allergy Department University Hospital of Nancy Nancy France
11. EA3450 DevAH‐Department of Physiology Faculty of Medicine University of Lorraine Nancy France
12. Department of Respiratory Disease University Hospital of Besanҫon Besanҫon France