Table 1 Acupuncture points selected in this protocol

Baihui (GV20)

On the head, 5 B-cun superior to the anterior hairline, on the anterior median line.

Note 1: GV20 is located in the depression 1 B-cun anterior to the midpoint of the line from the anterior hairline to the posterior hairline.

Note 2: When the ears are folded, GV20 is located at the midpoint of the connecting line between the auricular apices.

Sishencong (EX-HN1)

EX-HN1 is located four points on the vertex of the head, 1 B-cun anterior, posterior and lateral to GV20.

Hegu (LI4)

On the dorsum of the hand, radial to the midpoint of the second metacarpal bone.

Quchi (LI11)

On the lateral aspect of the elbow, at the midpoint of the line connecting LU5 with the lateral epicondyle of the humerus.

Note: When the elbow is fully flexed, LI11 is located in the depression on the lateral end of the cubital crease.

Sanyinjiao (SP6)

On the tibial aspect of the leg, posterior to the medial border of the tivia, 3 B-cun superior to the prominence of the medial malleolus.

Note: 1 B-cun superior to KI8.

Taichong (LR3)

On the dorsum of the foot, between the first and second metatarsal bones, in the depression distal to the junction of the bases of the two bones, over the dorsalis pedis artery.