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The corrected sentence should read: \u201cThis indicates that tissue elasticity does not change during growth and that the orbicularis oris muscle inferior contributes to lip-closing force through coordinated homeostatic muscle contraction.","order":7,"name":"change_details","label":"Change Details","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"The authors have no relevant financial or non-financial interests to disclose.","order":1,"name":"Ethics","label":"Conflict of interest","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and\/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This study was approved by The Nippon Dental University School of Life Dentistry at Niigata Ethics Committee (Approval No. ECNG-R-471).","order":2,"name":"Ethics","label":"Ethical approval","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"Informed consent was obtained from all participants and\/or parent\/guardian included in this study.","order":3,"name":"Ethics","label":"Informed consent","group":{"name":"EthicsHeading","label":"Declarations"}}]}}