1. School of Public Health, Department of Management, Policy and Community Health University of Texas Health Science Center at Houston Houston Texas USA
2. School of Dentistry, Department of Periodontics University of Texas Health Science Center at San Antonio San Antonio Texas USA
3. School of Public Health, Department of Health Promotion & Behavioral Sciences University of Texas Health Science Center at Houston Houston Texas USA
4. Cizik School of Nursing, Department of Research University of Texas Health Science Center at Houston Houston Texas USA