Use of extracorporeal circulation (ECLS/ECMO) for cardiac and circulatory failure -A clinical practice Guideline Level 3. - Assmann A; Beckmann A; Schmid C; Werdan K; Michels G; Miera O; Schmidt F; Klotz S; Starck C; Pilarczyk K; Rastan A; Burckhardt M; et al. (ESC heart failure, 2022)