Dartmouth College, Dartmouth College - Dartmouth-Hitchcock Medical Center, Dartmouth College, Dartmouth College, Geisel School of Medicine at Dartmouth, Dartmouth College, Dartmouth College, Dartmouth College, Dartmouth College, Geisel School of Medicine at Dartmouth, Muhimbili University of Health and Allied Sciences, Dartmouth College, Geisel School of Medicine at Dartmouth, Muhimbili University of Health and Allied Sciences - Department of Otorhinolaryngology and Dartmouth College - Dartmouth-Hitchcock Medical Center

University of Southern California, University of Southern California, Dartmouth College, University of Southern California, New York University (NYU) - Grossman School of Medicine, New York University (NYU) - Grossman School of Medicine, University of Southern California, University of Southern California - Maternal Fetal Medicine Division, University of Southern California, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Southern California, University of Southern California - Department of Population and Public Health Sciences, University of Southern California, University of Southern California - Department of Population and Public Health Sciences, University of Southern California - Department of Population and Public Health Sciences and University of Southern California - Department of Population and Public Health Sciences