[1] HOSP UNIV PENN,PHILADELPHIA,PA 19104
[2] UNIV KANSAS,MED CTR,KANSAS CITY,KS 66103
[3] JOHNS HOPKINS UNIV HOSP,BALTIMORE,MD 21205
[4] BARROW NEUROL INST,PHOENIX,AZ 85013
[5] LOMA LINDA UNIV,LOMA LINDA,CA 92354
[6] UNIV CINCINNATI,MED CTR,CINCINNATI,OH 45267
[7] BAPTIST HOSP MIAMI,MIAMI,FL 33176
[8] UNIV CALIF LOS ANGELES,MED CTR,LOS ANGELES,CA 90024
[9] MED COLL WISCONSIN,MILWAUKEE,WI 53226
[10] ABBOTT NORTHWESTERN HOSP,EDINA,MN 55424