[1] CTR DIS CONTROL, CTR PREVENT SERV, DIV SEXUALLY TRANSMITTED DIS, ATLANTA, GA 30333 USA
[2] CTR DIS CONTROL, DIV FIELD SERV, EPIDEMIOL PROGRAM OFF, ATLANTA, GA 30333 USA
[3] CTR DIS CONTROL, CTR INFECT DIS, SEXUALLY TRANSMITTED DIS LAB PROGRAM, ATLANTA, GA 30333 USA
[4] FLORIDA DEPT HLTH & REHAB SERV, DUVAL CTY PUBL HLTH UNIT, DEPT NURSING, JACKSONVILLE, FL 32206 USA