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All participants signed a consent form, and for those under 18\u00a0years of age, written consent was additionally obtained from their legal guardians.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics Approval and Consent to Participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for Publication"}},{"value":"Emma FengMing Zhou, Arnold YuLok Wong, GuoHui Lin, Jiebin Huang, JianHui Fang, Wenting Liang, Xiongmao Cai, Siu Ngor Fu declare that they have no financial or non-financial competing interests that could be perceived to influence the work reported in this paper.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing Interests"}}],"article-number":"20"}}