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Consent to participate to the study was obtained whenever applicable.","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"K.I. is a recipient of a research grant from Chugai Pharmaceuticals\/EPS Co., Ltd., Eisai Co., Ltd., and Daiichi Sankyo Co., Ltd. for projects unrelated to this work. The authors\u2019 declare that they have no competing interests","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}},{"value":"Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Publisher\u2019s Note"}}],"article-number":"134"}}