1. Department of Hepatology, Yantai Qishan Hospital, Yantai, Shandong 264000, P.R. China
2. Department of Oral and Maxillofacial Surgery, Yantai Stomatological Hospital, Yantai, Shandong 264000, P.R. China
3. Department of Hepatology, Zaozhuang Central Hospital of Shandong Healthcare Group, Zaozhuang, Shandong 277800, P.R. China
4. Emergency Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
5. Central Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China