1 Harvard Medical School, Boston, Massachusetts; Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts.
2 Harvard Medical School, Boston, Massachusetts; Department of Dermatology, Massachusetts General Hospital, Boston, Massachusetts.
3 Harvard Medical School, Boston, Massachusetts; Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts. Electronic address: vnambudiri@bwh.harvard.edu.