An apparatus, comprising: a stimulator assembly (1010, 1110) including a stimulus generator (1020, 1120), a power source (1030, 1130), and a housing (1012, 1112), the stimulus generator (1020, 1120) being non-removably disposed within the housing (1012, 1112), the power source (1030, 1130) being disposed within the housing (1012, 1112), the stimulus generator (1020, 1120) being electrically coupled to the power source (1030, 1130); and an electrode assembly (1040, 1140) removably coupleable to the stimulator assembly (1010, 1110), the electrode assembly (1040, 1140) including a plurality of electrodes (1042, 1142, 1143) and a connector assembly (1044, 1144), the connector assembly (1044, 1144) including at least a first snap-fit connector and a second snap-fit connector coupled to a first surface of the electrode assembly (1040, 1140), the first snap-fit connector configured to removably electrically and mechanically couple the stimulator assembly (1010, 1110) to the electrode assembly (1040, 1140), the second snap-fit connector configured to removably electrically and mechanically couple the stimulator assembly (1010, 1110) to the electrode assembly (1040, 1140), the plurality of electrodes (1042, 1142, 1143) being disposed on a second surface of the electrode assembly (1040, 1140) different from the first surface, the plurality of electrodes (1042, 1142, 1143) configured to contact a bodily tissue and to convey an electric current produced by the stimulus generator (1020, 1120) to at least a portion of the bodily tissue, wherein the stimulator assembly (1010, 1110) includes a connector assembly configured to be removably coupled to the connector assembly (1044, 1144) of the electrode assembly (1040, 1140), the connector assembly of the stimulator assembly (1010, 1110) including at least a first connector and a second connector configured to receive at least a portion of the first snap-fit connector and the second snap-fit connector, respectively, of the electrode assembly (1040, 1140). a stimulator assembly (1010, 1110) including a stimulus generator (1020, 1120), a power source (1030, 1130), and a housing (1012, 1112), the stimulus generator (1020, 1120) being non-removably disposed within the housing (1012, 1112), the power source (1030, 1130) being disposed within the housing (1012, 1112), the stimulus generator (1020, 1120) being electrically coupled to the power source (1030, 1130); and an electrode assembly (1040, 1140) removably coupleable to the stimulator assembly (1010, 1110), the electrode assembly (1040, 1140) including a plurality of electrodes (1042, 1142, 1143) and a connector assembly (1044, 1144), the connector assembly (1044, 1144) including at least a first snap-fit connector and a second snap-fit connector coupled to a first surface of the electrode assembly (1040, 1140), the first snap-fit connector configured to removably electrically and mechanically couple the stimulator assembly (1010, 1110) to the electrode assembly (1040, 1140), the second snap-fit connector configured to removably electrically and mechanically couple the stimulator assembly (1010, 1110) to the electrode assembly (1040, 1140), the plurality of electrodes (1042, 1142, 1143) being disposed on a second surface of the electrode assembly (1040, 1140) different from the first surface, the plurality of electrodes (1042, 1142, 1143) configured to contact a bodily tissue and to convey an electric current produced by the stimulus generator (1020, 1120) to at least a portion of the bodily tissue, wherein the stimulator assembly (1010, 1110) includes a connector assembly configured to be removably coupled to the connector assembly (1044, 1144) of the electrode assembly (1040, 1140), the connector assembly of the stimulator assembly (1010, 1110) including at least a first connector and a second connector configured to receive at least a portion of the first snap-fit connector and the second snap-fit connector, respectively, of the electrode assembly (1040, 1140).