1. Department of DermatologyMaastricht University Medical Center+ MaastrichtThe Netherlands
2. GROW Research School for Oncology and Developmental Biology Maastricht University Medical Center+ MaastrichtThe Netherlands
3. Department of Dermatology Ommelander Ziekenhuis Groep Delfzijl
4. Department of Dermatology University of Groningen University Medical Center Groningen Groningen The Netherlands