1. Brucellosis Prevention and Treatment Engineering Research Center of Inner Mongolia Autonomous Region, Tongliao, Inner Mongolia, China;
2. Medical College of Inner Mongolia University for Nationalities, Tongliao, Inner Mongolia, China;
3. ENT Department, Chongqing National Hospital, Chongqing, China;
4. Department of Neurology, Daqing Oilfiled General Hospital, Daqing, Heilongjiang, China;
5. Operating Room, Qilu Hospital of Shandong University, Jinan, Shandong, China