Affiliation: | 1. Department of Dermatology, Erasmus Medical Center, Rotterdam, The Netherlands;2. Department of Vascular Surgery, Erasmus Medical Center, Rotterdam, The Netherlands;3. Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium;4. Department of Vascular Surgery, Catharina Hospital, Eindhoven, The Netherlands;5. Department of Medical Statistics and Bioinformatics, Leiden University Medical Center, Leiden, The Netherlands |