[1] Med Corp Ryokukokai, Higashi Matsuyama Hosp, Dept Psychiat, Saitama, Japan
[2] Saitama Med Univ, Saitama Med Ctr, Dept Psychiat, 1981 Kamoda, Kawagoe, Saitama 3500844, Japan
[3] Publ Interest Fdn Nishi Kumagaya Hosp, Dept Psychiat, Saitama, Japan
[4] Showa Womens Univ, Dept Psychol, Tokyo, Japan
[5] Med Correct Ctr East Japan, Tokyo, Japan
[6] Univ Malaya, Fac Med, Dept Med, Div Neurol, Kuala Lumpur, Malaysia