Affiliation: | 1. Department of Obstetrics and Gynecology, Division of Maternal Fetal Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA;1. Department of Obstetrics and Gynecology, Arnold Palmer Hospital for Children and Women, Division of Orlando Regional Healthcare, Orlando, Florida, USA;1. Mirza-Kochak-khan Hospital, Medical School, Tehran University of Medical Sciences and Health Services, Tehran, Iran;2. Department of Preventive Medicine, School of Medicine, Shaheed Beheshti University of Medical Sciences, Tehran, Iran |