1. Division of Evidence‐Based MedicineDepartment of DermatologyCharité – Universitätsmedizin Berlin, Corporate member of Freie Universität Berlin, Humboldt‐Universität zu Berlin, and 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