1 Department of Endocrinology, The Affiliated Hospital of Medical College, Qingdao University, Qingdao 266003, China; Department of Internal Medicine, Maternal and Child Health Hospital of Weifang, Weifang 261011, China. Electronic address: [email protected].
2 Department of Endocrinology, The Affiliated Hospital of Medical College, Qingdao University, Qingdao 266003, China.
3 Department of General Surgery, Maternal and Child Health Hospital of Weifang, Weifang 261011, China.
4 Department of Endocrinology, The Affiliated Hospital of Medical College, Qingdao University, Qingdao 266003, China. Electronic address: [email protected].