1. Department of Otolaryngology, Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, PR China;
2. Beijing Institute of Otolaryngology, Key Laboratory of Otolaryngology, Head and Neck Surgery (Capital Medical University), Ministry of Education, Beijing, PR China;
3. Department of Bioinformatic, Wuerzburg University, Wuerzburg, Germany;
4. Department of Endocrinology, Beijing Tongren Hospital, Capital Medical University, Beijing, PR China