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. 2021 Winter;21(4):387–394. doi: 10.31486/toj.21.0038

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©2021 by the author(s); Creative Commons Attribution License (CC BY)

©2021 by the author(s); licensee Ochsner Journal, Ochsner Clinic Foundation, New Orleans, LA. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (creativecommons.org/licenses/by/4.0/legalcode) that permits unrestricted use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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Figure. — Preferred reporting items for systematic reviews and meta-analyses flow diagram showing the identification and selection of literature for review.