[This corrects the article DOI: 10.3389/fnhum.2019.00371.].
Keywords: dynamic vessel analysis; flicker light stimulation; pulsed electrical stimulation; retinal vessel diameter; transcranial direct current stimulation (tDCS); vasodilation.
Copyright © 2020 Freitag, Hunold, Klemm, Klee, Link, Nagel and Haueisen.