1. Department of Dermatology; University Hospital Tübingen; Germany
2. Department of Dermatology; University Hospital Essen; Germany
3. Public, Private and Teaching Practice of Dermatology; Konstanz; Germany
4. Association of Dermatological Prevention; Buxtehude; Germany
5. Plastische und Ästhetische Chirurgie; Fachklinik Hornheide; Germany
6. Hautklinik Lüdenscheidt; Germany
7. Department of Dermatology; Skin Cancer Center, Ludwigshafen Hospital; Germany
8. Clinic of radiotherapy and radiooncology; Vivantes Clinics Neukölln; Berlin; Germany
9. The German Cancer Society Berlin; Germany
10. Department of Oral and Maxillofacial Surgery; Facial Plastic Surgery, University of Rostock; Germany
11. German Cancer Research Center Heidelberg; Department of Radiology; Heidelberg; Germany
12. Department of Palliative Medicine; University Hospital Cologne; Germany
13. Department of Dermatology and Allergy; Hannover Medical School; Germany
14. German Cancer Research Center; Heidelberg; Germany
15. Department of Dermatology; University of Kiel; Germany
16. Div. of Surgical Oncology & Thoracic Surgery; Mannheim University Medical Center; Germany
17. Johann Wolfgang Goethe University; Frankfurt am Main; Germany
18. Department of Dermatology and Allergology; SRH Waldklinikum Gera Gmbh; Germany
19. Hämatologisc-Onkologische Praxis Altona (HOPA); Struensee-Haus; Hamburg; Germany
20. Department of Radiotherapy; University Hospital Regensburg; Germany
21. Department of Radiation Therapy; University of Leipzig; Germany
22. Department of Dermatology and Venereology; University Hospital of Cologne; Germany
23. Medical Clinic I; Westpfalz Klinikum; Kaiserslautern; Germany
24. Department of Dermatology; University of Mainz; Germany
25. Dept. of Internal Medicine 5 - Hematology/Oncology; University of Erlangen; Germany
26. Department of Dermatology; Klinikum Dortmund gGmbH; Germany
27. Department of Nuclear Medicine; University Clinic; Ulm; Germany
28. Lübeck; Germany
29. Klinik für Dermatologie und Allergologie; Asklepios Klinik St. Georg; Germany
30. Department of Dermatology; University Hospital of Münster; Münster; Germany
31. Department of Psychosocial Oncology; Fachklinik Hornheide; Münster; Germany
32. German Society of Thoracic Surgery; Berlin; Germany
33. Department of Dermatology; University Hospital Charité Berlin; Germany
34. Department of Radiooncology; Universitätsklinikum Halle, Halle/Saale; Germany
35. Tumor Center Rhineland Palatinate; Mainz; Germany
36. Bad Bentheim Hospital; Department of Dermatology and Allergy; Bad Bentheim; Germany
37. Dep. of Neurooncology; University Clinic; Heidelberg; Germany