Fig. 1From: Treatment of COVID-19-associated ARDS with mesenchymal stromal cells: a multicenter randomized double-blind trialFlowchart of the trial. ARDS acute respiratory distress syndrome. ATMP advanced therapeutic medicinal product. D day. ELS extracorporeal life support. ICU intensive care unit. UC-MSCs umbilical cord-derived mesenchymal stromal cellsBack to article page