1. Department of Radiology, Kanazawa University Graduate School of Medical Science, Kanazawa 920-8641, Japan
2. Department of Radiology, Toyama Prefectural Central Hospital, Toyama 930-8550, Japan
3. Institute of Liver Studies, King’s College Hospital, London 5E5 9RS, UK
4. Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 700-8558, Japan
5. Department of Pathology, Toyama Prefectural Central Hospital, Toyama 930-8550, Japan