[1] Henry Ford Hosp, Dept Dermatol, Detroit, MI 48202 USA
[2] Boston Univ, Sch Med, Boston, MA 02215 USA
[3] Case Western Reserve Univ, Sch Med, Cleveland, OH 44106 USA
[4] Harvard Univ, Sch Publ Hlth, Dept Nutr, Cambridge, MA 02138 USA
[5] NYU, Sch Med, Dept Dermatol, New York, NY USA
[6] US FDA, Ctr Devices & Radiol Hlth, Rockville, MD 20857 USA
[7] St Lukes Roosevelt Hosp, Dept Dermatol, New York, NY USA
[8] British Columbia Canc Agcy, Canc Control Res Program, Vancouver, BC V5Z 4E6, Canada
[9] Case Western Reserve Univ, Sch Dent Med, Cleveland, OH 44106 USA
[10] Brown Univ, Sch Med, Dept Dermatol, Providence, RI 02912 USA
[11] Kings Coll London, St Johns Inst Dermatol, London WC2R 2LS, England
[12] Amer Acad Dermatol Assoc, Washington, DC USA
[13] Univ Michigan, Dept Dermatol, Ann Arbor, MI 48109 USA
[14] So Illinois Univ, Sch Med, Div Dermatol, Springfield, IL USA