1Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Boston, MA, United States
2University of Puerto Rico Graduate School of Public Health, UPR Medical Sciences Campus, San Juan, PR, Puerto Rico
3Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, United States
4Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, United States
5Centers for Disease and Control and Prevention, Atlanta, GA, United States
6Deparment of Civil Engineering and Surveying, University of Puerto Rico, Mayaguez, PR, Puerto Rico
7College of Engineering, Northeastern University, Boston, MA, United States