1. Department of Clinical Nutrition, Faculty of Health Sciences, Suzuka University of Medical Science, Suzuka, Mie 510-0293, Japan
2. Veterans Administration Hospital, White River Junction, VT 05009, U.S.A
3. Department of Basic Medical Sciences, IOND University, Tokyo 165-0027, Japan; R&D Department, Nimura Genetic Solutions, Tokyo 151-051, Japan