1. The Laboratory of Thyroid Disease, The Affiliated Hospital of Qingdao University, Qingdao 266003, P. R. China
2. The Breast Diseases Center, The Affiliated Hospital of Qingdao University, Qingdao 266003, P. R. China
3. Department of Endocrinology, The Affiliated Hospital of Qingdao University, Qingdao 266003, P. R. China
4. Medical College, Qingdao University, Qingdao 266071, P. R. China
5. Department of Hematology, The Affiliated Hospital of Qingdao University, Qingdao 266003, P. R. China