[1] UNIV HOSP CLEVELAND,DEPT ANESTHESIOL,CLEVELAND,OH 44106
[2] UNIV HOSP CLEVELAND,DEPT SURG,CLEVELAND,OH 44106
[3] UNIV HOSP CLEVELAND,DEPT BIOMETRY,CLEVELAND,OH 44106
[4] UNIV HOSP CLEVELAND,DEPT NURSING,CLEVELAND,OH 44106
[5] COOK CTY HOSP,DEPT MED,CHICAGO,IL 60612