1. Department of Reproductive Medicine, The Xinjiang Uygur Autonomous Region People’s Hospital, Urumqi, Xinjiang, China (mainland)
2. Department of Imaging, The Xinjiang Uygur Autonomous Region People’s Hospital, Urumqi, Xinjiang, China (mainland)
3. Department of Obstetrics and Gynecology, The Xinjiang Uygur Autonomous Region People’s Hospital, Urumqi, Xinjiang, China (mainland)