Impact of colchicine on mortality in patients with COVID-19: A meta-analysis - Dimitrios A. Vrachatis; George V. Giannopoulos; Sotiria G. Giotaki; Konstantinos Raisakis; Charalampos Kossyvakis; Konstantinos E. Iliodromitis; Bernhard Reimers; Dimitrios Tousoulis; Michael Cleman; Christodoulos Stefanadis; Alexandra Lansky; Spyridon G. Deftereos (Hellenic Journal of Cardiology, 2021)