1. Department of Endocrinology and Metabolism, The Institute of Endocrinology, NHC Key Laboratory of Diagnosis and Treatment of Thyroid Disease, The First Hospital of China Medical University, Shenyang, Liaoning, China
2. Department of Otolaryngology-Head and Neck Surgery, The First Hospital of China Medical University, Shenyang, Liaoning, China
3. Department of Neurosurgery, The First Hospital of China Medical University, Shenyang, Liaoning, China
4. School of Public Health, China Medical University, Shenyang, Liaoning, China