1. Department of Hepato-Pancreato-Biliary Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China (mainland)
2. Department of Liver Surgery, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China (mainland)
3. Department of Medicine, Division of Regenerative Medicine, University of California, School of Medicine, San Diego, La Jolla, USA