Text and Data Mining valid from 2019-02-14
Received: 12 November 2018
Accepted: 6 February 2019
First Online: 14 February 2019
Ethics approval and consent to participate
: Medical Ethical Committee of the affiliated Hospital of Guangdong Medical University has approved the Research ethics approval. The reference number is not applicable. All included subject consented to participate in this study and a signed consent form was obtained from each subject before testing.
: The included subjects in the current study have signed the consent form for publication.
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