Fig. 3
From: Rotavirus vaccine clinical trials: a cross-sectional analysis of clinical trials registries
Clinical trial registries and the recruitment site location of rotavirus vaccine trials. Clinical trial registries: Australian New Zealand Clinical Trials Registry (ANZCTR), Chinese Clinical Trial Registry (ChiCTR), Clinical Trials Registry - India (CTRI), EU Clinical Trials Register (EU-CTR), Japan Primary Registries Network (JPRN), Netherlands National Trial Register (NTR), Pan African Clinical Trial Registry (PACTR), Peruvian Clinical Trial Registry (REPEC), ClinicalTrials.gov, and International Standard Randomised Controlled Trial Number (ISRCTN)