Acta Medica Okayama 1997 ƒEƒVœ—R—ˆ‘e¸»BMP‚ƇTŒ^ƒAƒeƒƒRƒ‰[ƒQƒ“•¡‡‘̂ɂæ‚éˆÙŠ«œ—U“±‚ÉŠÖ‚·‚éŠî‘b“IŒ¤‹† EN No potential conflict of interest relevant to this article was reported.