1. Department of Dermatology, Weill Cornell Medicine, New York, New York, USA.
2. Dermatology Service, Memorial Sloan Kettering Cancer Center, New York, New York, USA.
3. Department of Dermatology, Stanford Medicine, Redwood City, California, USA.
4. Department of Dermatology and University of California San Francisco, San Francisco, California, USA.
5. UCSF Library, University of California San Francisco, San Francisco, California, USA.