[1] Univ Texas Southwestern Med Ctr Dallas, Hamon Ctr Therapeut Oncol Res, 6000 Harry Hines Blvd, Dallas, TX 75390 USA
[2] Univ Texas Southwestern Med Ctr Dallas, Dept Pathol, Dallas, TX 75390 USA
[3] Univ Texas Southwestern Med Ctr Dallas, Internal Med, Dallas, TX 75390 USA
[4] Baylor Univ, Med Ctr Dallas, Dept Dermatol, Dallas, TX 75246 USA
[5] Arlington Ctr Dermatol, Arlington, TX 76011 USA
[6] Univ Texas Branch, Dept Dermatol, Galveston, TX 77550 USA
[7] Fred Hutchinson Canc Res Ctr, Publ Hlth Sci Div Seattle, Seattle, WA 98109 USA