Donate is made possible by unrestricted support of The Foundation (in Dutch: ‘Stichting Cardionetworks’, see, which pays for all hosting costs. As a charitable foundation, Cardionetworks subsequently relies entirely on the generosity of supporters to allow us to continue in our work such as making the website possible. To join our list of supporters please use the donation button below or contact us through the contact form (here) to discuss other ways to contribute. Donations to the Cardionetworks Foundation can be tax deducted in the Netherlands. Any contribution you are able to make helps us to further promote free global access to vital medical information and resources. Thanks in advance you for your kind generosity.

Please know that the authors and the members of the Advisory Board have no commercial interests in this website and provide this service in their free time without financial compensation.

The Cardionetworks Foundation is a non-profit organization based in The Netherlands and founded by Jonas S.S.G. de Jong, MD, PhD, in 2007. The goals of the Foundation are: “to improve medical knowledge, especially in the field of cardiology, and to provide access to this knowledge by facilitating publications in digital or other form, amongst other means by building and maintaining websites“. This website is published under a creative commons license. All information is freely accessible, without login or registration. You are welcome to use the information provided in your non-commercial presentations and educational materials, but we ask that you acknowledge the source.