1. Cardiothoracic Surgery Department, Qingdao Hiser Hospital Affiliated of Qingdao University
2. Cancer Center, Qingdao Hiser Hospital Affiliated of Qingdao University(Qingdao Traditional Chinese Medicine Hospital)
3. Department of Otolaryngology-Head and Neck Surgery, Qingdao Municipal Hospital
4. Outpatient Department, Qingdao Hiser Hospital Affiliated of Qingdao University(Qingdao Traditional Chinese Medicine Hospital)