1. Faculty of Medicine University Zurich Zurich Switzerland
2. Department of Dermatology University Hospital Zurich Zurich Switzerland
3. Christine Kühne‐Center for Allergy Research and Education Davos Switzerland
4. ToxiTEN group of the ERN‐skin
5. Department of Dermatology and Allergy Hannover Medical School Hannover Germany
6. Swiss Institute of Allergy and Asthma Research (SIAF) Davos Davos Switzerland
7. Department of Dermatology King's College Hospital NHS Foundation Trust London UK
8. Department of Dermatology and Allergy University Hospital, LMU Munich Munich Germany
9. Dr. Philip Frost Department of Dermatology and Cutaneous Surgery University of Miami, Miller School of Medicine Miami Florida USA
10. The Kimberly and Eric J. Waldman Department of Dermatology Icahn School of Medicine at Mount Sinai New York New York USA
11. Center for Drug Safety and Immunology Vanderbilt University Medical Center Nashville Tennessee USA
12. Department of Dermatology University of California Davis California USA
13. Department of Dermatology Henri Mondor Hospital, Univ Paris Est Créteil EpidermE Créteil, Paris France
14. Reference center for severe drug reactions TOXIBUL Créteil France