National University of Singapore

Professor of Radiology, Stanford University

UCLA,University of Michigan,Technische Universität München

Massachusetts General Hospital

Professor of Radiology, Kennedy Krieger Institute, Johns Hopkins University

the Key Lab. of Molecular Imaging,CAS

Professor at Humanitas University, Milan, Italy & Rijnstate Arnhem, The Netherlands

Director of Mallinckrodt Institute of Radiology, Washington University School of Medicine …

National Cancer Institute, National Institutes of Health

Shanghai University