Device: Transcutaneous acupoint electrical stimulation and seeds for auricular acupressure
OtherExperimental group received Acupoint stimulation, Transcutaneous acupoint electrical stimulation20 minutes/weeks, once a week for six consecutive weeks.
The second part of The Experimental group received Auricular acupressure applied to four acupoints, including shenmen (TF2), mouth (IC6), subcortex (CW2), Occiput (AT3). each point is 1min, 5days/week, 3 times/day.