1. Department of Internal Medicine/Division of Dermatology, University of Washington, Seattle, USA
2. Department of Dermatology, Hôpital Ambroise Paré, Boulogne-Billancourt, France
3. Department of Radiation Oncology, University of Washington, Seattle, USA
4. Department of Internal Medicine/Division of Medical Oncology, The Ohio State University, Columbus, USA
5. Department of Internal Medicine/Division of Medical Oncology, University of Washington, Seattle, USA