Department of Dermatology, Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, Massachusetts
Thomas Denize, MD
Department of Pathology, Massachusetts General Hospital, Boston, Massachusetts
Hensin Tsao, MD, PhD
Department of Dermatology, Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, Massachusetts; Correspondence to: Hensin Tsao, MD, PhD, Department of Dermatology, Massachusetts General Hospital, Wellman Center for Photomedicine, 40 Blossom St, Boston, MA 02114.