Table 1.
Registers listed in the study
| Register | Full name |
|---|---|
| ANZCTR | Australia New Zealand Clinical Trials Registry |
| CTRI | Clinical Trials Registry-India |
| ChiCTR | Chinese Clinical Trial Register |
| ClinicalTrials.gov | ClinicalTrials.gov |
| EU Clinical Trials Register | European Union Clinical Trials Register |
| GermanCTR | German Clinical Trials Register |
| ISRCTN | International Standard Randomised Controlled Trials Number |
| JPRN | Japan Primary Registries Network |
| PACTR | Pan African Clinical Trials Registry |
| RePEc | Research Papers in Economics |
| TCTR | Thai Clinical Trials Registry |