1. Center for Biomedical Imaging Research; Department of Biomedical Engineering, School of Medicine, Tsinghua University; Beijing China
2. Clinical Sites Research Program, Philips Research North America; Briarcliff Manor; New York USA
3. Department of Radiology; Beijing Hospital; Beijing China
4. Healthcare department; Philips Research China; Shanghai China
5. Department of Radiology; University of Washington; Seattle Washington USA