1. Department of Otorhinolaryngology Head and Neck Surgery, Shandong Provincial Hospital, Shandong University, Jinan 250021, China
2. Shandong Provincial Hospital, Shandong University, Jinan 250021, China
3. Institute of Eye and ENT, Shandong Provincial Hospital, Shandong University, Jinan 250021, China
4. Central Laboratory, Shandong Provincial Hospital, Shandong University, Jinan 250021, China