1. Center for Dermatooncology, Department of Dermatology, Eberhard Karls University of Tuebingen, Tuebingen, Germany
2. Health Care Direction, Portuguese Air Force, Lisbon, Portugal
3. Skin Cancer Center at the University Cancer Centre and National Center for Tumor Diseases Dresden, Department of Dermatology, University Hospital Carl Gustav Carus at the TU Dresden, Germany
4. Department of Dermatology, University Hospital Carl Gustav Carus at the TU Dresden, Dresden, Germany