Study		Exclusion reasons	Remarks	Reference(s)
McCoy, 2020	randomized controlled trial		retractation of the paper	McCoy J Front Med (Lausanne) 2021 Jul 19;8:668698. 10.3389/fmed.2021.668698 McCoy J et al. researchsquare 10.21203/rs.3.rs-135303/v2
Cadegiani (female patients), 2021	randomized controlled trial			Cadegiani FA et al. medrxiv;2021.07.06.21260086v1 10.1101/2021.07.06.21260086