Table 1 Location of acupoints in verum acupuncture group

Baihui (DU20)

On the midline of the head, 7 cun^a directly above the midpoint of the posterior hairline

Zhongwan (RN12)

On the anterior midline, 4 cun above the umbilicus

Tianshu (ST25)

On the same level of the umbilicus and 2 cun lateral to the anterior midline

Qihai (RN6)

On the anterior midline, 1.5 cun below the umbilicus

Neiguan (PC6)

On the line joining Daling and Quze, between the tendons of palmaris longus and flexor carpi radialis, 2 cun above the transverse crease of the wrist

Danzhong (RN17)

On the anterior midline, on the level of the fourth intercostal space, at the midpoint of the line joining the two nipples

Zusanli (ST36)

3 cun directly below Dubi (ST35) and one finger-breadth lateral to the anterior border of the tibia

Gongsun (SP4)

On the medial side of the foot, in the depression anterior and inferior to the first metatarsal bone, at the junction of the red and white skin