1. Department of Public Health, William Paterson University, Wayne, NJ, USA
2. Department of Health Sciences, Lehman College, The City University of New York, New York, NY, USA
3. Icahn School of Medicine at Mount Sinai, New York, NY, USA
4. Department of Mathematics, Lehman College, The City University of New York, New York, NY, USA
5. Richard March Hoe Professor of Health and Education, Department of Health and Behavior Studies, Teachers College, Columbia University, New York, NY, USA