| bacts.org | Belgian Association for Cardio-Thoracic Surgery |
| ktcs.org | Korean Society for Thoracic and Cardiovascular Surgery |
| ismics.org | International Society for Minimally Invasive Cardiac Surgery |
| ishlt.org | International Society for Heart and Lung Transplantation |
| gstcvs.org | German Society for Thoracic and Cardiovascular Surgery |
| fstcvs.org | French Society for Thoracic and Cardiovascular Surgery |
| ccs.ca | Canadian Cardiovascular Society |
| americanheart.org | American Heart Association |
| acc.org | American College of Cardiology |
| ests.org | Ests |
| scts.org | www.scts.org/ |
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