1. Division of Surgical Oncology Oregon Health and Science University Portland Oregon
2. Department of Epidemiology and Biostatistics Texas A&M University College Station Texas
3. California Pacific Medical Center and Research Institute San Francisco California
4. Mayo Clinic Phoenix Arizona
5. Department of Cutaneous Oncology Moffitt Cancer Center Tampa Florida
6. Department of Oncologic Sciences University of South Florida Morsani College of Medicine Tampa Florida
7. Istituto Tumori Napoli Fondazione G. Pascale Naples Italy
8. Tel‐Aviv Sourasky Medical Center Tel‐Aviv Israel