1. Department of Medical Biochemistry,
2. Department of Pediatrics, and
3. Center for Radioisotope Sciences, Tohoku University Graduate School of Medicine, Sendai, Japan;
4. Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan;
5. Division of Medical Biochemistry, Faculty of Medicine, Tohoku Medical and Pharmaceutical University, Sendai, Japan; and
6. Department of Cell and Developmental Biology, University of Michigan Medical School, Ann Arbor, MI