Affiliation: | (1) First Department of Internal Medicine, School of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka 814-0180, Japan Tel. +81-92-801-1011; Fax +81-92-865-5656 e-mail: hh038131@msat.fukuoka-u.ac.jp, JP;(2) Department of Pathology, University of Otago Medical School, Dunedin, New Zealand, NZ |