[1] COLUMBIA UNIV, COLL PHYS & SURG, DEPT DERMATOL, NEW YORK, NY USA
[2] COLUMBIA UNIV, COLL PHYS & SURG, DET PATHOL, NEW YORK, NY USA
[3] COLUMBIA UNIV, COLL PHYS & SURG, DEPT MICROBIOL, NEW YORK, NY USA
[4] METROPOLITAN HOSP CTR, MED COLL, DEPT DERMATOL, NEW YORK, NY USA
[5] METROPOLITAN HOSP CTR, MED COLL, DEPT PATHOL, NEW YORK, NY USA