1. Department of Endocrinology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
2. Department of Endocrinology, Xianning Central Hospital, Xianning, Hubei 437100, P.R. China
3. Department of Pediatrics, Affiliated Taihe Hospital of Hubei University of Medicine, Shiyan, Hubei 442002, P.R. China