1. Department of Endocrinology, The People's Hospital of Henan Province, Zhengzhou, Henan 450003, P.R. China
2. Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan 410078, P.R. China
3. Department of Radiology, Xiangya Hospital, Central South University, Changsha, Hunan 410083, P.R. China
4. Department of Immunology, Xinjiang Medical University, Xinjiang Uygur Autonomous Region, Urumqi 830054, P.R. China
5. Department of Basic Medical Sciences, Changsha Medical University, Changsha, Hunan 410219, P.R. China