1. School of Natural and Social Sciences, State University of New York at Purchase College, Purchase, NY 10577, USA
2. School of Public Health, College of Health Sciences, University of Liberia, Monrovia 1000-10, Liberia
3. Quantitative-Data for Decision-Making Lab, Monrovia 1000-10, Liberia
4. School of Medicine, Wake Forest University, Winston Salem, NC 27157, USA
5. School of Public Health, Yale University, New Haven, CT 06510, USA
6. School of Medicine, Yale University, New Haven, CT 06510, USA