NIRS-EEG joint imaging during transcranial direct current stimulation: Online parameter estimation with an autoregressive model. - Sood, Mehak; Besson, Pierre; Muthalib, Makii; Jindal, Utkarsh; Perrey, Stephane; Dutta, Anirban; Hayashibe, Mitsuhiro (Journal of Neuroscience Methods, 2016)