Stepping stone sampling for retrieving artifact-free electroencephalogram during functional magnetic resonance imaging. - Kimitaka Anami; Takeyuki Mori; Fumiko Tanaka; Yusuke Kawagoe; Jun Okamoto; Masaru Yarita; Takashi Ohnishi; Masato Yumoto; Hiroshi Matsuda; Osamu Saitoh (NeuroImage, 2003)