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Copyright/License: Licensee Polish Journal of Thoracic and Cardiovascular Surgery, Poznań, Poland. This figure is from an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) License. (https://creativecommons.org/licenses/by-nc-sa/4.0/).
No modifications were made to the original figure.
