1 Department of Operating Theater, Yiwu Central Hospital, Yiwu, 322000 Zhejiang, China. Electronic address: wuxiaoling2019102@126.com.
2 Department of Otorhinolaryngology, Yiwu Central Hospital, 699 Jiangdong Road, Yiwu city, 322000 Zhejiang, China. Electronic address: louzhengcai@163.com.