1. Department of Otolaryngology–Head and Neck SurgeryBeijing Tongren HospitalCapital Medical UniversityKey Laboratory of Otolaryngology and Head and Neck Surgery, Ministry of EducationBeijingP.R. China
2. Department of NeurosurgeryBeijing Tongren HospitalCapital Medical UniversityBeijingP.R. China
3. Department of RadiologyBeijing Tongren HospitalCapital Medical UniversityBeijingP.R. China