Study		Exclusion reasons	Remarks	Reference(s)
Vadrevu, 2021	-	no control group		Vadrevu KM et al. medrxiv;2021.12.28.21268468v1 10.1101/2021.12.28.21268468
Greish, 2022	prospective cohort	no control group		Greish K et al. 10.20944/preprints202203.0236.v1
Tawinprai, 2022	prospective cohort	no clinically relevant endpoint		Tawinprai K et al. medrxiv;2022.01.07.22268883v1 10.1101/2022.01.07.22268883