[1] Univ Heidelberg, Dept Internal Med 3, D-69120 Heidelberg, Germany
[2] Kyushu Univ, Grad Sch Med Sci, Dept Cardiovasc Med, Higashi Ku, Fukuoka 8128582, Japan
[3] Univ Texas, Dept Mol Genet & Microbiol, Austin, TX 78712 USA
[4] Univ Texas, Inst Cellular & Mol Biol, Austin, TX 78712 USA
[5] Johns Hopkins Med Inst, Dept Pathol Mol Microbiol & Immunol, Baltimore, MD 21205 USA