Fig. 1

Flowchart 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 cells
Flowchart 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 cells