Table 1 Locations of acupoints in acupuncture group

Baihui (DU20)

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

Danzhong (RN17)

On the anterior midline, on the level of the 4th intercostal space, at the midpoint of the line joining the two nipples

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 (PC7) and Quze (PC3), between the tendons of palmaris longus and flexor carpi radialis, 2 cun above the transverse crease of the wrist

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 aspect of the foot, anteroinferior to the base of the first metatarsal bone, at the border between the red and white flesh

Taibai (SP3)

On the medial aspect of the foot, in the depression proximal to the first metatarsophalangeal joint, at the border between the red and white flesh

Taichong (LR3)

In the depression anterior to the junction of first and second metatarsal bones

Neiting (ST44)

On the dorsum of the foot, between the second and third toes, posterior to the web margin, at the border between the red and white flesh