Study Exclusion reasons Remarks Reference(s)
Cadegiani -Iver, 2020 observational study other unappropriated control group

Cadegiani FA medrxiv https://doi.org/10.1101/2020.10.31.20223883

Cadegiani FA et al. medrxiv;2020.11.16.20232512v1 10.1101/2020.11.16.20232512