1. Department of Hepatobiliary Surgery, the Second Affiliated Hospital of Kunming Medical University, Kunming 650101, China
2. Department of Hepatobiliary Surgery, the Sixth People's Hospital of Chengdu, Chengdu 610051, China
3. Department of Medical Oncology, the Second Affiliated Hospital of Kunming Medical University, Kunming 650101, China
4. Department of Dermatology, the Second Affiliated Hospital of Chengdu Medical College, Chengdu 610051, China
5. School of Medicine, Kunming University, Kunming 650214, China