[1] HOWARD UNIV,COLL MED,DEPT PEDIAT & CHILD HLTH,WASHINGTON,DC 20059
[2] NEW ENGLAND RES INST INC,WATERTOWN,MA
[3] SUNY HLTH SCI CTR,SICKLE CELL PROGRAM,BROOKLYN,NY
[4] BOSTON CITY HOSP,DEPT HEMATOL ONCOL,BOSTON,MA 02118
[5] UNIV ILLINOIS,MED CTR,SCH PUBL HLTH,CTR SICKLE CELL COORDINATING,CHICAGO,IL
[6] ALTA BATES COMMUNITY HOSP,BERKELEY,CA
[7] CHILDRENS HOSP,BOSTON,MA 02115
[8] CHILDRENS HOSP,PHILADELPHIA,PA 19104
[9] CHILDRENS HOSP,OAKLAND,CA 94609
[10] CHILDRENS HOSP,NATL MED CTR,WASHINGTON,DC 20010
[11] COLUMBIA PRESBYTERIAN MED CTR,NEW YORK,NY
[12] DUKE UNIV,DURHAM,NC
[13] GEORGE WASHINGTON UNIV,WASHINGTON,DC
[14] HARLEM HOSP MED CTR,NEW YORK,NY 10037
[15] INTERFAITH MED CTR,BROOKLYN,NY
[16] LEBONHEUR CHILDRENS HOSP & MED CTR,MEMPHIS,TN 38103
[17] MED COLL GEORGIA,AUGUSTA,GA 30912
[18] SAN FRANCISCO GEN HOSP,SAN FRANCISCO,CA 94110
[19] ST LUKES HOSP,NEW YORK,NY
[20] UNIV MIAMI,MIAMI,FL 33152
[21] UNIV MISSISSIPPI,JACKSON,MS 39216
[22] UNIV TENNESSEE,MEMPHIS,TN
[23] WASHINGTON UNIV,ST LOUIS,MO
[24] WYLER CHILDRENS HOSP,CHICAGO,IL
[25] YALE UNIV,NEW HAVEN,CT