1. Breast Cancer, Qingdao Municipal Hospital, Qingdao, Shandong, China
2. Department of General Surgery, Penglai People's Hospital, Yantai, Shandong, China
3. Pediatrics Department, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
4. Endocrinology Department, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, China