1. Department of Endocrinology, First People’s Hospital of Jinan, Jinan, People’s Republic of China
2. Department of Endocrinology, Shandong Rongjun General Hospital, Jinan, People’s Republic of China
3. Department of Endocrinology, Tengzhou Central People’s Hospital, 181 Xingtan Road, Tengzhou, Shandong Province, 277500, People’s Republic of China