PRISMA-P 2015 Checklist: [PDF (Stable)](https://osf.io/qwfeu/) | [Markdown (Living)](https://github.com/p1m-ortho/qs-global-ortho-search-queries/blob/global-sr-query/zheln/PRISMA-P_2015_checklist.md).
**On December 3, 2020, I submitted this protocol to [PROSPERO](https://www.crd.york.ac.uk/prospero/). Registration accepted on Jan 3, 2021, with no eligibility review due to COVID-19 overflow. [CRD42021224418](https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42021224418).**
On December 4, 2020, I also submitted this protocol (Version 10) to [medRxiv](https://www.medrxiv.org); rejected:
> medRxiv is intended for full research papers, and our screening process determined that this manuscript fell short of that description.
Resubmitted to [MetaArXiv](https://osf.io/preprints/metaarxiv/) on the same date; accepted at post-moderation; [DOI 10.31222/osf.io/y2nrb](https://doi.org/10.31222/osf.io/y2nrb).