1. Department of Gastroenterological Surgery Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences Okayama Japan
2. Center for Innovative Clinical Medicine Okayama University Hospital Okayama Japan
3. Minimally Invasive Therapy Center Okayama University Hospital Okayama Japan
4. Laboratory of Biochemistry and Molecular Biology Graduate School of Pharmaceutical Sciences Osaka University Osaka Japan
5. Molecular Imaging Branch Center for Cancer Research National Cancer Institute National Institutes of Health Bethesda Maryland USA
6. Department of Molecular Medicine for Pathogenesis Ehime University Graduate School of Medicine Ehime Japan