Affiliation: | (1) Department of Molecular Biology, University of the Ryukyus, Faculty of Medicine, 207 Uehara, Nishihara, Okinawa 903-0215, Japan Tel. +81-98-895-1203; Fax +81-98-895-1438 e-mail: sirius@med.u-ryukyu.ac.jp, JP;(2) Department of Orthopedic Surgery, University of the Ryukyus, Okinawa, Japan, JP |