Corresponding Author

Bo Zhang MD

The Fourth Department of Thyroid and Breast Surgery, Cangzhou Central Hospital, Cangzhou City, China

Address correspondence to Bo Zhang, MD, The Fourth Department of Thyroid and Breast Surgery, Cangzhou Central Hospital, No. 16 Xinhua Road, Yunhe Qu, Cangzhou City 061000, China. E-mail: czzxyyzb@163.com