1. Department of Thyroid and Parathyroid Surgery, Fujian Medical University Union Hospital, Fuzhou, China.
2. Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston, Massachusetts, USA.
3. Fujian Medical University, Fuzhou, China.
4. Department of Surgery, The University of HongKong-Shenzhen Hospital, Shenzhen, China.
5. The School of Clinical Medicine, Fujian Medical University, Fuzhou, China.
6. Department of Anesthesiology in Xiamen Branch, Zhongshan Hospital, Fudan University, Xiamen, China.