1. Division of Evidence‐Based MedicineDepartment of DermatologyCharité – Universitätsmedizin BerlinCorporate member of Freie Universität BerlinHumboldt‐Universität zu Berlinand Berlin Institute of Health Berlin Germany
2. Department of DermatologyGhent University Hospital Ghent Belgium
3. Department of Health SciencesFaculty of ScienceUniversity of York York United Kingdom
4. Department of DermatologyCHU and Paul Sabatier University Toulouse France