1. Department of General Surgery IV (Department of Plastic Surgery), Affiliated Hospital of Hebei University of Engineering, Handan, Hebei 056002, P.R. China
2. Department of General Surgery II (Department of Plastic Surgery), Affiliated Hospital of Hebei University of Engineering, Handan, Hebei 056002, P.R. China
3. Department of Oncology, Handan Central Hospital, Handan, Hebei 056001, P.R. China
4. Department of Cardiovascular Medicine, Handan Central Hospital, Handan, Hebei 056001, P.R. China