Received: 27 June 2020
Accepted: 12 August 2020
First Online: 31 August 2020
Change Date: 24 November 2020
Change Type: Correction
Change Details: An amendment to this paper has been published and can be accessed via the original article.
Ethics approval and consent to participate
: The National Healthcare Group Domain-Specific Review Board approved the study with a waiver of informed consent due to the non-interventional study design (DSRB 2017/01001).
: Not applicable.
: The authors declare that they have no competing interests.