[1] Brigham & Womens Hosp, Dept Dermatol, 221 Longwood Ave, Boston, MA 02115 USA
[2] Harvard Med Sch, Boston, MA 02115 USA
[3] Beth Israel Deaconess Med Ctr, Dept Dermatol, Boston, MA 02215 USA
[4] VA Integrated Serv Network VISN 1, Dept Dermatol, Jamaica Plain, MA USA