[1] NIH,NCHGR,BETHESDA,MD
[2] NYU,MED CTR,DEPT PEDIAT NEUROL,NEW YORK,NY 10016
[3] UNIV NEW MEXICO,SCH MED,DEPT PEDIAT,ALBUQUERQUE,NM 87131
[4] UNIV ARIZONA,SCH MED,DEPT PEDIAT,PHOENIX,AZ
[5] UNIV NEBRASKA,SCH MED,DEPT PEDIAT,OMAHA,NE 68198
[6] UNIV CALIF LOS ANGELES,CEDARS SINAI HOSP,SCH MED,DEPT PEDIAT,LOS ANGELES,CA 90048