Braun Ralph P, Marghoob Ashfaq
Department of Dermatology, University Hospital Zürich, Zürich, Switzerland.
Dermatology Service, Memorial Sloan Kettering Cancer Center, New York, New York.
JAMA Dermatol. 2015 Apr;151(4):456-7. doi: 10.1001/jamadermatol.2014.4714.