Dr. Chang is from the Department of Dermatology, School of Medicine, University of California, San Francisco. Dr. Ochoa is from the Department of Dermatology, Keck School of Medicine, University of Southern California, Los Angeles.
The authors report no conflict of interest.
Correspondence: Aileen Y. Chang, MD, University of California San Francisco, Department of Dermatology, Zuckerberg San Francisco General Hospital, 1001 Potrero, Bldg 90, Ward 92, San Francisco, CA 94110 (aileen.chang@ucsf.edu).
