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A written informed consent has been obtained from both healthy controls and caretakers of Alzheimer patients who participated in the current study as per the protocol of the Ethical committee of Sree Chitra Thirunal Institute of Medical Sciences, Trivandrum (SCTIMST).","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"A written informed consent is obtained from both healthy controls and caretakers of Alzheimer patients who participated in the current study. Since no personal information is provided in our manuscript, the Consent for publication is stated as \u201cNot applicable\u201d.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare that they have no competing interests.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"38"}}