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[2] HARVARD UNIV,SCH MED,BOSTON,MA 02115
[3] CHILDRENS MEM HOSP,CHICAGO,IL 60614
[4] NORTHWESTERN UNIV,SCH MED,CHICAGO,IL 60611
[5] UNIV COLORADO,HLTH SCI CTR,DENVER,CO 80262
[6] UNIV COLORADO,SCH MED,DENVER,CO 80202
[7] CHILDRENS HOSP,LOS ANGELES,CA 90027
[8] UNIV SO CALIF,SCH MED,LOS ANGELES,CA 90033
[9] UNIV CALIF SAN DIEGO,MED CTR,LA JOLLA,CA 92093
[10] UNIV CALIF SAN DIEGO,SCH MED,LA JOLLA,CA 92093
[11] TUFTS UNIV,NEW ENGLAND MED CTR,BOSTON,MA 02111
[12] TUFTS UNIV,SCH MED,BOSTON,MA 02111
[13] BOSTON UNIV,SCH PUBL HLTH,EPIDEMIOL & BIOSTAT SECT,BOSTON,MA 02215
[14] CHILDRENS HOSP,DENVER,CO 80218
[15] CHILDRENS HOSP,SAN DIEGO,CA
[16] KAPIOLANI CHILDRENS MED CTR,HONOLULU,HI
[17] JOHN A BURNS SCH MED,HONOLULU,HI