Institution: | 2. Department of Central Laboratory, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, Shandong, 264000, China;3. Department of Head and Neck Surgery, The University of Texas MD Anderson Cancer Center, Houston, 77030, USA;4. Department of Epidemiology, The University of Texas MD Anderson Cancer Center, Houston, 77030, USA |