1. Clinical Research Center, The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi 710061, China
2. School of Public Health, Xi’an Jiaotong University Health Science Center, Xi’an, Shaanxi 710061, China
3. Department of Clinical Research, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, China
4. Department of Public Health, University of California, Irvine, CA 92697, USA
5. Department of Hepatobiliary Surgery II, Meizhou People’s Hospital, Meizhou, Guangdong 514031, China