1. Wellman Center for Photomedicine, Massachusetts General Hospital, Cambridge, Massachusetts, United States 2Department of Dermatology, Harvard Medical School, Boston, Massachusetts, United States
2. Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Boston, Massachusetts, United States
3. Wellman Center for Photomedicine, Massachusetts General Hospital, Cambridge, Massachusetts, United States 2Department of Dermatology, Harvard Medical School, Boston, Massachusetts, United States 4Harvard-MIT Health Sciences and Technology, Cambridge, Mass