[1] Nishi Kyushu Univ, Fac Rehabil Sci, Kanzaki, Saga, Japan
[2] Kurume Univ, Biostat Ctr, Kurume, Fukuoka, Japan
[3] Nagasaki Univ, Natl Res Ctr Control & Prevent Infect Dis, Nagasaki, Japan
[4] Nagasaki Univ, Grad Sch Biomed Sci, Unit Med Sci, Nagasaki, Japan
[5] Nagasaki Univ, Ctr Child Mental Hlth Care & Educ, Nagasaki, Japan
[6] Nagasaki Univ, Fac Educ, Nagasaki, Japan
[7] Kurume Univ, Biostat Ctr, 67 Asahimachi, Kurume, Fukuoka 8300011, Japan