[1] Dana Farber Canc Inst, Belfer Inst Appl Canc Sci, Boston, MA 02115 USA
[2] Dana Farber Canc Inst, Dept Med Oncol, Boston, MA 02115 USA
[3] Univ Porto, IPATIMUP Med Fac, Inst Mol Pathol & Immunol, P-4200465 Oporto, Portugal
[4] Leiden Univ, Med Ctr, Dept Dermatol, NL-2300 RC Leiden, Netherlands
[5] Yale Univ, Sch Med, Dept Pathol, New Haven, CT 06510 USA
[6] Van Andel Res Inst, Grand Rapids, MI 49503 USA
[7] Harvard Univ, Sch Med, Dept Pathol, Brigham & Womens Hosp, Boston, MA 02115 USA
[8] Harvard Univ, Sch Med, Dept Dermatol, Boston, MA 02115 USA