[1] Univ Calif Irvine, Sch Med, Dept Dermatol, Irvine, CA 92717 USA
[2] Univ Calif Irvine, Donald Bren Sch Informat & Comp Sci, Dept Informat, Irvine, CA 92717 USA
[3] George Washington Univ, Sch Med & Hlth Sci, Dept Dermatol, Washington, DC 20052 USA