1. Department of Otorhinolaryngology Head and Neck Surgery, Hunan Provincial People’s Hospital, Changsha 410005, Hunan, PR China
2. Department of Nursing, Hunan Provincial People’s Hospital, Changsha 410005, Hunan, PR China
3. The Second Xiangya Hospital of Central South University, Changsha 410011, Hunan, PR China
4. Ophthalmology, Hunan Provincial People’s Hospital, Changsha 410005, Hunan, PR China