1. Department of Pediatrics, Fujian Children’s Hospital (Fujian Branch of Shanghai Children’s Medical Center), College of Clinical Medicine for Obstetrics & Gynecology & Pediatrics, Fujian Medical University, Fuzhou, Fujian Province, 350001, China
2. Department of Pediatrics, Fujian Maternity and Children Hospital, College of Clinical Medicine for Obstetrics & Gynecology & Pediatrics, Fujian Medical University, Fuzhou, Fujian Province, 350001, China
3. College of Clinical Medicine for Obstetrics & Gynecology & Pediatrics, Fujian Medical University, Fuzhou, Fujian Province, 350001, China