In the control group , acupuncture was used at Pishu ( BL @ ) , Zhongwan ( CV @ ) , Shenshu ( BL @ ) , Zhongji ( CV @ ) , Guanyuan ( CV @ ) , Mingmen ( GV @ ) , Taibai ( SP @ ) , Fenglong ( ST @ ) , etc. ; warm acupuncture was applied at Pishu ( BL @ ) , Zhongwan ( CV @ ) , Shenshu ( BL @ ) and Zhongji ( CV @ ) ; the treatment was required once every two days and for @ months continuously .