[1] Natl Ctr Global Hlth & Med, AIDS Clin Ctr, Shinjuku Ku, Tokyo 1620052, Japan
[2] Kumamoto Univ, Ctr AIDS Res, Kumamoto 860, Japan
[3] Saku Cent Hosp, Dept Community Care, Nagano, Japan
[4] Kyoto Univ, Grad Sch Med, Ctr Genom Med, Kyoto 6068501, Japan