Pressure injury treatment by intermittent electrical stimulation (PROTECT-2): protocol for a multicenter randomized clinical trial oleh Chase Donaldson, Marcelo Gama de Abreu, Edward J. Mascha, James Rowbottom, Eric Harvester, Ashish Khanna, Tanmay Sura, Daniel I. Sessler, Fabio Rodriguez Patarroyo, Alper Gulluoglu, Paul Zajic, Utkarsh Chauhan, Hani Essber, Andrea Kurz