1. The Department of PediatricsJinshan Hospital of Fudan UniversityShanghai China
2. The Center for Liver DiseasesChildren's Hospital of Fudan UniversityShanghai China
3. The Department of PathologyChildren's Hospital of Fudan UniversityShanghai China
4. Institutes of Biomedical SciencesFudan UniversityShanghai China
5. Institut für PathologieMedizinische Universität GrazGraz Austria