1. Department of Dermatology; Medical University of Vienna; Vienna; Austria
2. Department of Dermatology; University of Texas MD Anderson Cancer Center; Houston; Texas; USA
3. Robert H. Lurie Comprehensive Cancer Center; Northwestern University School of Medicine; Chicago; Illinois; USA
4. Columbia University School of Medicine; New York; New York; USA
5. Division of Medical Oncology; Columbia University College of Physicians and Surgeons; New York; New York; USA
6. Department of Medical Oncology; Yale University Cancer Center; New Haven; Connecticut; USA
7. Therakos, Inc.; Raritan; New Jersey; USA
8. Department of Dermatology; University of Pittsburgh School of Medicine; Pittsburgh; Pennsylvania; USA