[1] NARITA MEM HOSP, DEPT INTERNAL MED, TOYOHASHI, AICHI 441, JAPAN
[2] TOKATSU CLIN HOSP, DEPT NEPHROL, MATSUDO, CHIBA 271, JAPAN
[3] TOKYO WOMENS MED COLL, DEPT SURG, KIDNEY CTR, SHINJUKU KU, TOKYO 162, JAPAN
[4] KDL INC, CHIYODA KU, TOKYO, JAPAN
[5] MARNAC INC, DALLAS, TX 75225 USA