[1] Cent S Univ, Xiangya Hosp 2, Inst Metab & Endocrinol, Changsha 410011, Hunan, Peoples R China
[2] Cent S Univ, Xiangya Hosp 2, Dept Geriatr, Changsha 410011, Hunan, Peoples R China
[3] Cent S Univ, Xiangya Hosp, Dept Neurol, Changsha 410008, Hunan, Peoples R China