Parker, Antony R.
Skold, Markus
Harding, Stephen
Barton, J. Clayborn
Bertoli, Luigi F.
Barton, James C.
Article History
Received: 19 July 2018
Accepted: 31 July 2019
First Online: 20 August 2019
Ethics approval and consent to participate
: This work was performed according to the principles of the Declaration of Helsinki*. Western Institutional Review Board provided an exemption under 45 CFR 46.101(b)(4) pertinent to this study on 18 October 2018 (submission 2535878–44170911; 2 October 2018). Obtaining informed consent was not required because this study involved retrospective chart review and analyses of observations recorded in routine medical care and does not include personal identifier information.*World Medical Association Declaration of Helsinki: ethical principles for medical research involving human subjects. <i>JAMA</i> 2013;310:2191–2194.
: Not applicable.
: ARP, MS, and SH are employees of The Binding Site Group Limited who manufacture reagents for IgG subclass assays. JClB, LFB, and JaCB have no duality of interests to report.