Transcutaneous Vagus Nerve Stimulation in Private Healthcare Center

"TaVNS will be applied by the TENS 7000 device. The stimulation was set according the group of treatment: (GAD: 20Hz-80µs), (CP: 5Hz-200 µs), (IBS: 3Hz-250µs).~The current intensity was individually established under the pain threshold .The stimulus generates an continous asymmetric biphasic waveform. Ear clip electrodes were plugged in the concha area of the left ear. The stimulation will last 30 min per session (total=8)"