Department of Otolaryngology,Xijing Hospital,Fourth Military Medical University,Xi an,710032,Shaanxi Province,China;
Department of Otolaryngology,Lanzhou General Hospital,Lanzhou command of PLA,Lanzhou,730050,Gansu Province,China;
Department of Otolaryngology,Xijing Hospital,Fourth Military Medical University,Xi an,710032,Shaanxi Province,China;
Department of Otolaryngology,Xijing Hospital,Fourth Military Medical University,Xi an,710032,Shaanxi Province,China;
Department of Otolaryngology,Xijing Hospital,Fourth Military Medical University,Xi an,710032,Shaanxi Province,China;
Department of Otolaryngology,Xijing Hospital,Fourth Military Medical University,Xi an,710032,Shaanxi Province,China;
Department of Otolaryngology,Xijing Hospital,Fourth Military Medical University,Xi an,710032,Shaanxi Province,China;
Department of Pathology,Xijing Hospital,Fourth Military Medical University,Xi an,710032,Shaanxi Province,China;