1. Department of Internal Medicine, Medical Clinic, Aichi Medical University, Nagoya, Japan.
2. Department of Biomedical Information Engineering, Graduate School of Medical Science, Yamagata University, Yamagata, Japan.
3. Okinaka Memorial Institute for Medical Research, Tokyo, Japan.
4. Department of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo, Japan.
5. Research Center of Health, Physical Fitness and Sports, Nagoya University, Nagoya, Japan.