1. Department of Otolaryngology, Head and Neck Surgery, Yantai Yuhuangding Hospital, Shandong, China
2. Shanxi University of Chinese Medicine, Taiyuan, Shanxi, China
3. Department of Otorhinolaryngology, Shanxi Provincial People’s Hospital Affiliated to Shanxi Medical University, Taiyuan, Shanxi, China
4. Department of Otolaryngology, Huzhou Traditional Chinese Medicine Hospital, Huzhou, Zhejiang, China