1. Department of Endocrinology, Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
2. Department of Endocrinology, Xiangyang First People's Hospital, Xiangyang, Hubei 441099, China
3. School of Public Health, Nanchang University, School of Public Health, Nanchang University, Nanchang, Jiangxi 330031, China.