1. Center of Excellence in Hepatitis and Liver Cancer; Chulalongkorn University; Bangkok Thailand
2. Department of Radiology; Chulalongkorn University; Bangkok Thailand
3. Department of Surgery; Chulalongkorn University; Bangkok Thailand
4. Center of Excellence in Clinical Virology; Chulalongkorn University; Bangkok Thailand
5. Department of Virology and Liver Unit; Nagoya City University Graduate School of Medical Sciences; Nagoya Japan