[1] HARVARD UNIV,BETH ISRAEL HOSP,SCH MED,DANA RES INST,DEPT MED,DIV INFECT DIS,BOSTON,MA 02215
[2] HARVARD UNIV,BETH ISRAEL HOSP,SCH MED,THORNDIKE LAB,BOSTON,MA 02215
[3] HARVARD UNIV,BETH ISRAEL HOSP,SCH MED,DEPT DERMATOL,BOSTON,MA 02215
[4] UNIV COLORADO,SCH MED,DEPT PEDIAT,DIV PEDIAT INFECT DIS,DENVER,CO 80202