1. Department of Dermatology Leiden University Medical Centre Leiden The Netherlands
2. Department of Dermatology Ziekenhuisgroep Twente Hengelo The Netherlands
3. Department of Plastic Surgery Leiden University Medical Centre Leiden The Netherlands
4. Department of Plastic Surgery Alrijne hospital Leiden The Netherlands
5. Department of Biomedical Data Sciences Leiden University Medical Centre Leiden The Netherlands
6. Department of Dermatology Roosevelt Clinic Leiden The Netherlands