1. Department of Epidemiology and Biostatistics, School of Public Health , Jackson State University , 350 West Woodrow Wilson Avenue, Suite, 320, 1400 J.R. Lynch St., P.O. Box 17038 , Jackson, MS 39217 , USA , Phone: +(601)597-5601
2. Department of Epidemiology and Biostatistics, School of Public Health , Jackson State University , Jackson, MS , USA