1. Physical Examination Center, Handan Central Hospital, Congtai, Handan 056008, Hebei Province, China
2. Department of Endocrinology, The First Medical Center, Chinese PLA General Hospital, Haidian, Beijing 100853, China
3. Department of Ultrasound Medicine, Handan Central Hospital, Congtai, Handan 056008, Hebei Province, China
4. Department of Neurology, Handan Central Hospital, Congtai, Handan 056008, Hebei Province, China
5. Department of Endocrinology, First Hospital of Handan City, Congtai, Handan 056002, Hebei Province, China