Tác giả: PhD Josefina J. Card

Dr. Ralph J. Di Clemente, Ph D, is the Charles Howard Candler Professor of Public Health and associate director, Emory Center for AIDS Research. He holds concurrent appointments as professor in the School of Medicine, Department of Pediatrics, Division of Infectious Diseases, Epidemiology, and Immunology; and the Department of Psychiatry. He was most recently chair, Department of Behavioral Sciences and Health Education at the Rollins School of Public Health, Emory University.