Retraction: [Kumiko Fujiwara, Satoru Saitou, Naomi Nakamichi, Kei Tomihara, Hideyuki Hasegawa and Makoto Noguchi, A preliminary study on the quantification of soft palate movement using ultrasonography, Congenital Anomalies, in Early View: https://doi.org/10.1111/cga.12446]. The above article, published online on 7 October 2021 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the authors, the journal Editor in Chief, Toshihisa Hatta, and John Wiley & Sons Ltd. The retraction has been agreed as it has been reported by a partner in the collaboration that this research had not been reviewed/approved by their research ethics committee.

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