Ekachaeryanti Zain, Naoki Fukui, Yuichiro Watanabe, Koyo Hashijiri, Takaharu Motegi, Maki Ogawa, Jun Egawa, Koji Nishijima, Toshiyuki Someya. The three-factor structure of the Autism-Spectrum Quotient Japanese version in pregnant women. Frontiers in Psychiatry. 2023. 14
Ekachaeryanti Zain, Naoki Fukui, Yuichiro Watanabe, Koyo Hashijiri, Takaharu Motegi, Maki Ogawa, Jun Egawa, Toshiyuki Someya. High care and low overprotection from both paternal and maternal parents predict a secure attachment style with a partner among perinatal Japanese women. Scientific Reports. 2023. 13. 1
Naoki Fukui, Yuichiro Watanabe, Takaharu Motegi, Koyo Hashijiri, Maki Ogawa, Jun Egawa, Takayuki Enomoto, Toshiyuki Someya. Relationships among autistic traits, depression, anxiety, and maternal-infant bonding in postpartum women. BMC Psychiatry. 2023. 23. 1
Naoki Fukui, Yuichiro Watanabe, Koyo Hashijiri, Takaharu Motegi, Maki Ogawa, Jun Egawa, Takayuki Enomoto, Toshiyuki Someya. Factor structure of the parental bonding instrument for pregnant Japanese women. Scientific Reports. 2022. 12. 1. 19071-19071
Koyo Hashijiri, Yuichiro Watanabe, Naoki Fukui, Takaharu Motegi, Maki Ogawa, Jun Egawa, Takayuki Enomoto, Toshiyuki Someya. Identification of Bonding Difficulties in the Peripartum Period Using the Mother-to-Infant Bonding Scale-Japanese Version and Its Tentative Cutoff Points. Neuropsychiatric Disease and Treatment. 2021. Volume 17. 3407-3413