[1] Natl Inst Hlth Sci & Nutr, Cutaneous Hematopathol Clin, Dept Dermatol, Mexico City, DF, Mexico
[2] Univ Calif San Francisco, Dept Pathol, San Francisco, CA USA
[3] Univ Calif San Francisco, Dept Dermatol, San Francisco, CA USA
[4] Univ Calif San Francisco, Div Hematol & Oncol, Dept Med, San Francisco, CA USA