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REG-104-2016). Informed written consent to participate was obtained from all participants after the objectives of the study were explained and the confidentiality of information was ensured. All methods were carried out in accordance with relevant guidelines and regulations, including the Declaration of Helsinki.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Human ethics and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"1002"}}