Table 1

Search strategy in PubMed

No.Search items
 #1Randomized controlled trial [pt)
 #2Controlled clinical trial [pt)
 #3Randomized OR Randomised(Title/Abstract)
 #4Clinical trials [MeSH)
 #5Randomly(Title/Abstract)
 #6Trial(Title/Abstract)
 #7#1 OR #2 OR #3 OR #4 OR #5 OR #6
 #8Pilot Projects OR Feasibility Studies OR Proof of Concept Study(MeSH)
 #9pilot OR feasibility OR preliminary OR exploratory OR proof-of-concept OR vanguard(Title/Abstract)
 #10#8 OR #9
 #11Acupuncture Therapy [MeSH)
 #12(acupuncture OR electroacupuncture OR electro-acupuncture OR manual acupuncture OR auricular acupuncture OR ear acupuncture OR warm needling OR warming-needle moxibustion)(Title/Abstract)
 #13#11 OR #12
 #14#7 AND #10 AND #13