1 Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts; Division of Research, Kaiser Permanente Northern California, Oakland, California. Electronic address: harvardskinstudies@partners.org.
2 Department of Dermatology, University of California at San Francisco, San Francisco, California.
3 Division of Research, Kaiser Permanente Northern California, Oakland, California.
4 Department of Cardiology, Santa Clara, Kaiser Permanente Northern California, Santa Clara, California.