1 Department of Dermatology, Institut Roi Albert II, Cliniques Universitaires St Luc, Université catholique de Louvain, Brussels, Belgium. Electronic address: Isabelle.tromme@uclouvain.be.
2 Institute of Statistics, Biostatistics and Actuarial Sciences, Université catholique de Louvain, Louvain-la-Neuve, Belgium.
3 Department of Public Health and Surveillance, Scientific Institute of Public Health (WIV-ISP), Brussels, Belgium.
4 Department of Dermatology, Eberhard Karls University, Tübingen, Germany.
5 European Organization for Research and Treatment of Cancer, Brussels, Belgium.
6 Gustave Roussy Cancer Campus Grand Paris, Villejuif, France.
7 Department of Dermatology, Institut Roi Albert II, Cliniques Universitaires St Luc, Université catholique de Louvain, Brussels, Belgium.
8 Department of Medical Oncology, Institut Roi Albert II, Cliniques Universitaires St Luc, Université catholique de Louvain, Brussels, Belgium.
9 Department of Dermatology, Centre Hospitalier Lyon Sud, Lyon 1 University, Lyons Cancer Research Center, France.
10 Centre for Health Economics Research & Modelling Infectious Diseases, Vaccine & Infectious Disease Institute, Faculty of Medicine & Health Sciences, University of Antwerp, Belgium.
11 Institute of Health and Society (IRSS), Université catholique de Louvain, Brussels, Belgium.