1. Department of Dermatology, Cliniques universitaires Saint‐Luc Université catholique de Louvain (UCLouvain) Brussels Belgium
2. Private Dermatologist Schoten Belgium
3. Department of Dermatology Grand Hôpital de Charleroi Charleroi Belgium
4. Department of Dermatology UZ Leuven Leuven Belgium
5. Department of Dermatology Clinique Notre‐Dame de Grâce Gosselies Belgium
6. Private Dermatologist Genk Belgium
7. Department of Dermatology AZ Sint‐Jan Brugge Belgium
8. Private Dermatologist Libramont Belgium
9. Department of Dermatology CHU Saint‐Pierre Brussels Belgium
10. Private Dermatologist Lauwe Belgium