| Guo Li | Xiangya Hospital Central South University Changsha Hunan China. |
| Guo Li | National Clinical Research Center for Geriatric Disorders (Xiangya Hospital) Changsha Hunan China. |
| Guo Li | Clinical Research Center for Laryngopharyngeal and Voice Disorders in Hunan Province Changsha Hunan China. |
| Guo Li | |
| Chao Liu | Xiangya Hospital Central South University Changsha Hunan China. |
| Chao Liu | |
| Chao Liu | Clinical Research Center for Laryngopharyngeal and Voice Disorders in Hunan Province Changsha Hunan China. |