1. Department of Radiology; David Geffen School of Medicine at UCLA; Los Angeles California USA
2. Department of Radiology; Chalubhorn Hospital; Bangkok Thailand
3. School of Public Health; David Geffen School of Medicine at UCLA; Los Angeles California USA
4. Pfleger Liver Institute and the Division of Digestive Diseases; David Geffen School of Medicine at UCLA; Los Angeles California USA
5. The Liver Center; Huntington Medical Research Institutes; Pasadena California USA