Effects of dapagliflozin on blood volume status and vascular outcomes in clinically stabilized heart failure patients after an acute decompensated heart failure event (DAPA-VOLVO study): Protocol of a double-blind randomized controlled clinical trial - Konstantinos Bitos; Natallia Laptseva; Thomas Haider; Valentina A. Rossi; Matthias P. Nägele; Jens Barthelmes; Frank Ruschitzka; Isabella Sudano; Andreas J. Flammer (PLoS ONE, 2025)