1. Department of Dermatology and Allergy University Hospital Basel Basel Switzerland
2. Department of Dermatology and Allergy University Clinics, Ludwig‐Maximilian‐University of Munich Munich Germany
3. Department of Geriatric and Environmental Dermatology Nagoya City University Graduate School of Medical Sciences Nagoya Japan
4. Department of Dermatology National Taiwan University Hospital and National Taiwan University College of Medicine Taipei Taiwan
5. Department of Dermatology Hôpital Robert Debré Reims France
6. Boehringer Ingelheim (China) Investment Co., Ltd Shanghai China
7. Boehringer Ingelheim International GmbH Biberach Germany
8. Boehringer Ingelheim International GmbH Ingelheim Germany
9. Icahn School of Medicine at Mount Sinai New York New York USA