[1] UNIV CALIF SAN FRANCISCO, SCH MED, DEPT DERMATOL, BOX 0316, A-309, SAN FRANCISCO, CA 94143 USA
[2] UNIV CALIF SAN FRANCISCO, DEPT PEDIAT, SAN FRANCISCO, CA 94143 USA
[3] UNIV CALIF SAN FRANCISCO, DEPT NEUROL, SAN FRANCISCO, CA 94143 USA
[4] NORTHWESTERN UNIV, SCH MED, DIV PEDIAT, CHICAGO, IL 60611 USA
[5] NORTHWESTERN UNIV, SCH MED, DIV DERMATOL, CHICAGO, IL 60611 USA
[6] MED COLL WISCONSIN, DEPT DERMATOL, MILWAUKEE, WI 53226 USA
[7] MED COLL WISCONSIN, DEPT PEDIAT, MILWAUKEE, WI 53226 USA
[8] BAYLOR COLL MED, DEPT PEDIAT, HOUSTON, TX 77030 USA
[9] BAYLOR COLL MED, DEPT DERMATOL, HOUSTON, TX 77030 USA
[10] DERMATOL ASSOCIATES, CINCINNATI, OH USA
[11] CHILDRENS HOSP MED CTR, DIV DERMATOL, BOSTON, MA 02115 USA
[12] CHILDRENS MEM HOSP, DIV DERMATOL, CHICAGO, IL 60614 USA
[13] CHILDRENS MEM HOSP, DIV PEDIAT, CHICAGO, IL 60614 USA