[1] Yokohama City Univ, Grad Sch Med, Dept Human Genet, Fukuura 3-9,Kanazawa Ku, Yokohama, Kanagawa 2360004, Japan
[2] Juntendo Univ, Fac Med, Dept Obstet & Gynecol, Tokyo, Japan
[3] Aichi Dev Disabil Ctr, Inst Dev Res, Dept Mol Neurobiol, 713-8 Kamiya, Kasugai, Aichi 4800392, Japan
[4] Nagoya Univ, Dept Biol Sci, Nagoya, Aichi, Japan
[5] Yokohama City Univ Med, Dept Rare Dis Genom, Yokohama, Kanagawa, Japan
[6] Yokohama City Univ, Grad Sch Med, Dept Biochem, Yokohama, Kanagawa, Japan
[7] Juntendo Univ, Sch Med, Dept Pediat Surg, Tokyo, Japan
[8] Juntendo Univ, Sch Med, Dept Human Pathol, Tokyo, Japan
[9] Keiai Hosp, Dept Obstet & Gynecol, Saitama, Japan
[10] RIKEN Ctr Adv Intelligence Project, Tokyo, Japan
[11] Yokohama City Univ Med, Dept Clin Genet, Yokohama, Kanagawa, Japan
[12] Juntendo Univ, Urayasu Hosp, Dept Obstet & Gynecol, Urayasu, Japan
[13] Juntendo Univ, Grad Sch Med, Dept Human Pathol, Tokyo, Japan
[14] Nagoya Univ, Grad Sch Med, Dept Neurochem, 65 Tsurumai Cho, Nagoya, Aichi 4668550, Japan