[1] Kumamoto Univ, Grad Sch Med Sci, Dept Clin Behav Sci Psychol Med, Kumamoto 8600811, Japan
[2] Kyushu Univ Hosp, Dept Neuropsychiat, Fukuoka, Japan
[3] Mie Univ, Ctr Hlth, Tsu, Mie 514, Japan
[4] Juntendo Univ, Sch Med, Dept Obstet & Gynecol, Juntendo, Japan
[5] Saitama Med Sch, Saitama Med Ctr, Ctr Maternal Fetal & Neonatal Med, Koshigawa, Japan
[6] Mie Univ, Sch Med, Dept Obstet & Gynecol, Tsu, Mie 514, Japan
[7] Okayama Univ, Grad Sch Med Sci, Dept Obstet & Gynecol, Okayama, Japan
[8] Okayama Med Ctr, Natl Hosp Org, Dept Obstet & Gynecol, Okayama, Japan
[9] Univ Ryukyus, Fac Med, Dept Obstet & Gynecol, Okinawa, Japan
[10] Kyushu Univ Hosp, MAtern & Perinatal Care Unit, Kyushu, Japan
[11] Nagoya City Univ, Grad Sch Med Sci, Dept Psychiat & Cognit Behav Med, Nagoya, Aichi, Japan
[12] Kyushu Univ, Grad Sch Med Sci, Dept Obstet & Gynecol, Kyushu, Japan