[1] HOWARD HUGHES MED INST,BIRMINGHAM,AL 35294
[2] UNIV ALABAMA,DEPT MED,DIV DEV & CLIN IMMUNOL,BIRMINGHAM,AL 35294
[3] UNIV ALABAMA,DEPT PEDIAT,BIRMINGHAM,AL 35294
[4] UNIV ALABAMA,DEPT MICROBIOL,BIRMINGHAM,AL 35294
[5] UNIV ALABAMA,CTR COMPREHENS CANC,BIRMINGHAM,AL 35294