[1] UNIV IOWA, HOSP & CLIN, DEPT MED, IOWA CITY, IA 52242 USA
[2] VET ADM HOSP, IOWA CITY, IA 52242 USA
[3] UNIV IOWA, HOSP & CLIN, CTR CARDIOVASC RES, IOWA CITY, IA 52242 USA
[4] UNIV IOWA, HOSP & CLIN, CTR CLIN RES, IOWA CITY, IA 52242 USA
[5] UNIV IOWA, HOSP & CLIN, DEPT RADIOL, IOWA CITY, IA 52242 USA
[6] UNIV IOWA, HOSP & CLIN, DEPT ELECT & COMP ENGN, IOWA CITY, IA 52242 USA