[1] Univ Med & Dent New Jersey, Robert Wood Johnson Med Sch, Dept Dermatol, New Brunswick, NJ USA
[2] Univ Calif San Francisco, Sch Med, Dept Radiol, San Francisco, CA 94143 USA
[3] Univ Calif San Francisco, Sch Med, Dept Biomed Imaging, San Francisco, CA USA
[4] Northwestern Univ, Feinberg Sch Med, Dept Dermatol, Chicago, IL 60611 USA
[5] Northwestern Univ, Feinberg Sch Med, Dept Pediat, Chicago, IL 60611 USA
[6] Oregon Hlth & Sci Univ, Dept Dermatol, Portland, OR 97201 USA
[7] Oregon Hlth & Sci Univ, Dept Pediat, Portland, OR 97201 USA
[8] Univ Calif San Francisco, Sch Med, Dept Dermatol, San Francisco, CA 94143 USA
[9] Univ Calif San Francisco, Sch Med, Dept Pediat, San Francisco, CA 94143 USA