[1] CALIF DEPT HLTH SERV,EPIDEMIOL STUDIES SECT,ROOM 515,2151 BERKELEY WAY,BERKELEY,CA 94704
[2] UNIV CALIF BERKELEY,EPIDEMIOL STUDIES SECT,BERKELEY,CA 94720
[3] CTR DIS CONTROL,EPIDEMIOL PROGRAM OFF,DIV FIELD SERV,EPIDEMIOL STUDIES SECT,ATLANTA,GA 30333