[1] ROBERT B BRIGHAM HOSP, DEPT MED, BOSTON, MA 02120 USA
[2] HARVARD UNIV, SCH MED, DEPT DERMATOL, BOSTON, MA 02115 USA
[3] HARVARD UNIV, SCH MED, DEPT PATHOL, BOSTON, MA 02115 USA
[4] HARVARD UNIV, SCH MED, DEPT MED, BOSTON, MA 02115 USA
[5] PETER BENT BRIGHAM HOSP, DEPT MED, DIV DERMATOL, BOSTON, MA 02115 USA
[6] MASSACHUSETTS GEN HOSP, SERV DERMATOL, BOSTON, MA 02114 USA
[7] MASSACHUSETTS GEN HOSP JAMES HOMER WRIGHT LABS, DEPT PATHOL, BOSTON, MA USA