Table 1

Study schedule for data measurements

	Study period
	Baseline period (minutes)	Treatment period (minutes)
Time point	0	0–2	4	6	8	10
Enrolment
Eligibility screen	×
Sign informed consent	×
Inclusion/exclusion criteria	×
Physical examination	×
Randomisation	×
Interventions
Acupuncture group		×	×	×	×	×
Sham acupuncture group		×	×	×	×	×
Assessments
Basic situation of headache	×					×
VAS	×	×	×	×	×	×
Satisfaction evaluation						×
Adverse event		×	×	×	×	×
Compliance evaluation						×
Blind evaluation						×
Safety evaluation						×
Participants safety
AE						×