1. Division of Dermatology, Department of Internal Medicine, Dell Medical School at The University of Texas at Austin
2. Zitelli and Brodland Skin Cancer Center, Pittsburgh, Pennsylvania
3. University of Michigan School of Medicine, Department of Dermatology, Ann Arbor
4. The Warren Alpert Medical School at Brown University, Providence, Rhode Island
5. Department of Population Health, Dell Medical School at The University of Texas at Austin
6. Dermatology Specialists of Spokane, Spokane, Washington
7. Texas Tech Health Sciences Center, Department of Dermatology, Lubbock