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All subjects or legal representatives provided written or (if approved by the associated institutional review board) oral informed consent; consent to participate was collected from the parents\/guardians of any participants under 16\u2009years of age.","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":"BJC received grants from Sanofi Pasteur unrelated to the submitted work. PK has served as a consultant to Sanofi, Zydus, and Cadila. All other\u00a0authors declare 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":"415"}}