[1] Tokyo Metropolitan Inst Gerontol, Human Tissue Res Grp, Itabashi Ku, Tokyo 1730015, Japan
[2] Saitama Childrens Med Ctr, Dept Pathol, Iwatsuki, Saitama 3398551, Japan
[3] Tokyo Metropolitan Geriatr Med Ctr, Dept Pathol, Tokyo 1730015, Japan
[4] Japanese Red Cross Med Ctr, Dept Pathol, Tokyo 1508935, Japan
[5] Univ Tokyo, Fac Med, Dept Internal Med, Tokyo 1130033, Japan
[6] Tottori Univ, Sch Life Sci, Sch Med, Dept Biomed Sci, Yonago, Tottori 6830826, Japan