1. Department of Epidemiology and Biostatistics, Drexel University School of Public Health, Philadelphia, PA, USA
2. Current affiliation: Child Health Epidemiologist, Maternal and Child Health Section, Georgia Department of Public Health, 2 Peachtree St, NW, 11-455, Atlanta, GA, USA
3. Interim Chair, Department of Envirmental and Occupational Health, Associate Professor, Department of Epidemiology and Biostatistics, Drexel University School of Public Health, Room 515, Nesbitt Hall, 3215 Market Street, Philadelphia, PA 19104, USA
4. Division of Nephrology and Hypertension, University School of Medicine, Philadelphia, PA, USA