Effectiveness of Reference Signal-Based Methods for Removal of EEG Artifacts Due to Subtle Movements During fMRI Scanning. - Kees Hermans; Jan Casper de Munck; Ruud M. Verdaasdonk; Paul A. J. M. Boon; Gunther Krausz; Robert Prueckl; Pauly P. W. Ossenblok (IEEE Trans. Biomed. Eng., 2016)