1. Department of Endocrinology (G.W.), The Affiliated Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou 310016, China
2. Department of Geriatrics (H.X.), The Second Affiliated Hospital, Zhejiang University, Hangzhou 310009, China
3. Department of Hematology (Z.G.), Chinese People's Liberation Army General Hospital, Beijing 100853, China
4. Department of Endocrinology (T.Z.), The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou 510655, China