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The study was conducted in full conformance with principles of the \u201cDeclaration of Helsinki\u201d, Good Clinical Practice and within the laws and regulations of Ministry of Public Health in Qatar. Prior to the randomization of an enrolled infant, written informed consent was obtained from parents.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}},{"value":"All authors declare that they have no conflict of interest.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}]}}