1. Songjiang Branch of The Affiliated Shuguang Hospital of Shanghai University of TCM, Shanghai, China (mainland)
2. Department of Urology, Fengxian District Central Hospital, Shanghai, China (mainland)
3. Department of Neonatology, Obstetrics and Gynecology Hospital of Dalian City, Dalian, Liaoning, China (mainland)
4. Department of Neonatology, Affiliated Tongji Hospital of Tongji University, Shanghai, China (mainland)