1. Department of Hepatobiliary Surgery, Weifang People’s Hospital, Weifang, People’s Republic of China
2. Clinical Laboratory, Binzhou People’s Hospital, Binzhou, People’s Republic of China
3. Department of Oncology, Binzhou People’s Hospital, Shandong, People’s Republic of China
4. Department of Gastroenterology, Shenzhen People’s Hospital (The Second Clinical Medical College, Jinan University, The First Affiliated Hospital, Southern University of Science and Technology), Shenzhen, People’s Republic of China