[1] Natl Hospitalizat Org, Kyushu Med Ctr, Clin Res Inst, Div Cerebrovasc Med & Neurol, Fukuoka, Fukuoka, Japan
[2] Natl Hospitalizat Org, Kyushu Med Ctr, Clin Res Inst, Div Neuroendovasc Therapy, Fukuoka, Fukuoka, Japan
[3] Natl Hospitalizat Org, Kyushu Med Ctr, Dept Clin Educ & Training Ctr, Fukuoka, Fukuoka, Japan
[4] Natl Hospitalizat Org, Kyushu Med Ctr, Clin Res Inst, Dept Hematol, Fukuoka, Fukuoka, Japan
[5] Natl Hospitalizat Org, Kyushu Med Ctr, Clin Res Inst, Dept Urol, Fukuoka, Fukuoka, Japan