Table 1.

Study characteristics.

Study and Author	Country	Study Year	Study Design	Quality of Evidence
Alvim-Pereira et al. [21]	Brazil	2008	Case-Control	Medium
Flanagan et al. [22]	USA	2013	Case Report	Low
Bryce et al. [23]	United Kingdom	2014	Case Report	Low
Fretwurst et al. [24]	Germany	2016	Case Series	Low
Mangano et al. [25]	Italy	2018	Retrospective Cohort	Medium
Pereira et al. [26]	Brazil	2019	Case-Control	Medium
Kwiatek et al. [27]	Poland	2021	Randomized Trial	High