Affiliation: | 1. University of Rochester School of Medicine, 601 Elmwood Ave, Rochester, NY 14642;2. Washington Hospital Center Department of Obstetrics and Gynecology, 110 Irving Street, NW Suite 5B-63, Washington, DC 20010;3. University of California, San Francisco, Department of Obstetrics, Gynecology and Reproductive Sciences, 1001 Potrero Avenue, Ward 6D, San Francisco, CA 94110;4. University of Michigan Department of Obstetrics and Gynecology, 1500 E Medical Center Drive, Ann Arbor, MI 48109;1. Department of Health Law, Policy and Management, Boston University School of Public Health, 715 Albany Street, Boston, MA 02118, USA;2. Heller School for Social Policy and Management, Institute for Behavioral Health, Brandeis University, 415 South Street, Waltham, MA 02453, USA;1. Wuhan University School of Health Sciences, Wuhan University HOPE School of Nursing, 115 Donghu Road, Wuchang, Wuhan, Hubei Province, China;2. Wuhan Women and Children Medical Care Center, 100 Xianggang Road, Hankou, Wuhan, Hubei Province, China |