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Depiction of sensor configurations targeting (1) anterior belly of the digastric, mylohyoid, and geniohyoid; (2) platysma, mylohyoid, and stylohoid; (3, 4) platysma, thyrohyoid, omohyoid, and sternohyoid; (5) zygomaticus major and/or minor, levator labii superioris, and levator anguli oris; (6, 7) orbicularis oris; and (8) mentalis.
