[1] LOUISIANA STATE UNIV,MED CTR,DEPT MED,1542 TULANE AVE,NEW ORLEANS,LA 70112
[2] LOUISIANA STATE UNIV,MED CTR,DEPT BIOMETRY,NEW ORLEANS,LA 70112
[3] LOUISIANA STATE UNIV,MED CTR,DEPT GENET,NEW ORLEANS,LA 70112
[4] TULANE UNIV,DEPT EPIDEMIOL,NEW ORLEANS,LA 70118