1. Department of Physiological Chemistry and Metabolism, Graduate School of Medicine The University of Tokyo Tokyo Japan
2. Department of Molecular Pathophysiology Institute for Advanced Medical Sciences, Nippon Medical School Tokyo Japan
3. Department of Animal Nursing Science Yamazaki University of Animal Health Technology Tokyo Japan
4. Cardiovascular Research Institute University of California San Francisco San Francisco California USA
5. Department of Medical Informatics Jichi Medical University Tochigi Japan
6. Isotope Science Center The University of Tokyo Tokyo Japan