For this project, we use our COVID-evidence database. COVID-evidence is supported by the Swiss National Science Foundation (Project ID 196190) and a large collaboration of researchers from Switzerland, the US, China, Canada, UK, France, Germany, Austria, Sweden, Netherlands, and other countries. COVID-evidence | https://covid-evidence.org/ Universität Basel - Departement Klinische Forschung Universitätsspital Basel Meta-Research Innovation Center at Stanford (METRICS) | https://metrics.stanford.edu/ Meta-Research Innovation Center Berlin (METRIC-B) | https://metricberlin.netlify.app//
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