1. Department of Community Medicine, Mercer University School of Medicine, Macon, Georgia.
2. Department of Psychiatry & Behavioral Sciences and Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland.
3. Department of Psychiatry, University of Milan, Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, Milan, Italy.
4. Department of Basic Science, Mercer University School of Medicine, Macon, Georgia.
5. Department of Health Promotion and Behavior, University of Georgia, Athens, Georgia.
6. Department of Psychiatry, Michigan State University, East Lansing, Michigan.