1. Department of Otolaryngology, Head and Neck Surgery The Affiliated Children's Hospital of Kunming Medical University Kunming China
2. Department of Otolaryngology, Head and Neck Surgery Kunming Children's Hospital Kunming China
3. The Affiliated Stomatological Hospital of Kunming Medical University Kunming China
4. Department of Oncology Yan'an Hospital Kunming China
5. School of Public Health Kunming Medical University Kunming China
6. Department of Dental Research The Affiliated Stomatological Hospital of Kunming Medical University Kunming China