[1] LOYOLA UNIV,STRITCH SCH MED,MAYWOOD,IL 60153
[2] MISERICORDIA HOSP,BRONX,NY
[3] COLUMBIA UNIV COLL PHYS & SURG,NEW YORK,NY 10032
[4] MASONIC MED RES LAB,UTICA,NY 13501
[5] RAMOS MEJIA HOSP,BUENOS AIRES,ARGENTINA
[6] MT ZION HOSP & MED CTR,SAN FRANCISCO,CA 94120