[1] CALIF STATE UNIV SACRAMENTO,DAVIS MED CTR,DIV PULM & CRIT CARE,SACRAMENTO,CA 95819
[2] UNIV MINNESOTA,SCH MED,DEPT SURG,MINNEAPOLIS,MN 55455
[3] METROHLTH MED CTR,DEPT MED,CLEVELAND,OH
[4] UNIV ARKANSAS MED SCI HOSP,DEPT PSYCHIAT & HLTH BEHAV,LITTLE ROCK,AR 72205
[5] BRONX VA HOSP,NEW YORK,NY
[6] MT SINAI HOSP,DEPT SURG,NEW YORK,NY 10029
[7] MT SINAI HOSP,DEPT ANESTHESIOL,NEW YORK,NY 10029
[8] HARTFORD HOSP,DEPT CRIT CARE,HARTFORD,CT 06115
[9] JACOBI BRONX MUNICIPAL HOSP,MED INTENS CARE UNIT,NEW YORK,NY
[10] KAISER PERMANENTE MED CTR,SAN FRANCISCO,CA
[11] UNIV ROCHESTER,MED CTR,ROCHESTER,NY 14642
[12] VICTORIA HOSP,RICHARD IVEY CRIT CARE TRAUMA CTR,LONDON N6A 4G5,ON,CANADA
[13] MT SINAI HOSP,DEPT COMMUNITY MED,NEW YORK,NY 10029
[14] MT SINAI HOSP,DEPT MED,NEW YORK,NY 10029
[15] MT SINAI HOSP,DEPT SURG,NEW YORK,NY 10029
[16] BRONX VA HOSP,DEPT ANESTHESIOL,BRONX,NY
[17] UNIV WESTERN ONTARIO,DEPT MED,LONDON,ON,CANADA