1. *First Department of Internal Medicine, School of Medicine, Ehime University, Ehime, Japan;
2. †Division of Informative Cytology, Institute for Enzyme Research, University of Tokushima, Tokushima, Japan;
3. ‡Department of Immunology and Inflammation, Biogen Inc., Cambridge, MA 02142;
4. §Reproductive Engineering Section, Mitsubishi Kasei Institute of Life Sciences, Tokyo, Japan; and
5. ¶Genome Information Research Center, Osaka University, Osaka, Japan