1. Department of Dermatology Radboud University Medical Center Nijmegen The Netherlands
2. Institute of Dermatology Università Cattolica del Sacro Cuore Rome Italy
3. Fondazione Policlinico Universitario A. Gemelli IRCCS Rome Italy
4. Department of Radiation Oncology Fondazione Policlinico Universitario A. Gemelli IRCCS Rome Italy
5. Department of Geriatrics Diakonessenhuis Zeist The Netherlands