Review of CR registries: https://www.ncbi.nlm.nih.gov/pubmed/28762761
UK Registry: http://www.cardiacrehabilitation.org.uk/
Canadian Registry: https://www.hindawi.com/journals/rerp/2015/278979/
American Registry: https://www.aacvpr.org/Registry/Cardiac-Rehab-Registry
Austria Registry: https://link.springer.com/
Europe Registry: https://www.ncbi.nlm.nih.gov/