1. School of Dental Medicine University of Puerto Rico San Juan Puerto Rico USA
2. National Chair of Research Initiative Hispanic Dental Association New York New York USA
3. Nova Southeastern University College of Dental Medicine Davie Florida USA
4. Department of Epidemiology and Health Promotion New York University New York New York USA
5. Department of Epidemiology and Biostatistics Graduate School of Public Health & Health Policy City University of New York New York New York USA