1. Department of General SurgeryThe Affiliated Hospital of Qingdao UniversityQingdaoChina
2. Department of OutpatientThe Affiliated Hospital of Qingdao UniversityQingdaoChina
3. Office of Medical Safety ManagementThe Affiliated Hospital of Qingdao UniversityQingdaoChina
4. Department of OncologyThe Affiliated Hospital of Qingdao UniversityQingdaoChina
5. Department of PathologyThe Affiliated Hospital of Qingdao UniversityQingdaoChina