1. Otolaryngology-Head and Neck Surgery, Beijing Tongren Hospital, Capital Medical University, Beijing, China.
2. Key Laboratory of Otolaryngology Head and Neck Surgery, Ministry of Education, Beijing, China.
3. Maternal and Child Health, Beijing Obstetrics and Gynecology Hospital, Capital Medical University. Beijing Maternal and Child Health Care Hospital, Beijing, China.
4. Maternal and Child Health Hospital of Chao Yang District, Beijing, China.
5. Beijing Institute of Otolaryngology, Beijing, China.
6. CapitalBio Corporation & National Engineering Research Center for Beijing Biochip Technology, Beijing, China.