Randomized Controlled Study Evaluating Efficiency of Low Intensity Transcranial Direct Current Stimulation (tDCS) for Dyspnea Relief in Mechanically Ventilated COVID-19 Patients in ICU: The tDCS-DYSP-COVID Protocol - Eric Azabou; Guillaume Bao; Nicholas Heming; Rania Bounab; Pierre Moine; Sylvain Chevallier; Sylvie Chevret; Matthieu Resche-Rigon; Shidaps Siami; Tarek Sharshar; Frederic Lofaso; Djillali Annane (Frontiers in Medicine, 2020)