This article is part of the Topical Collection on Cardiology
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Authors’ contribution
CN, RM, MP, and AC conceptualized the paper; WA, RA, EG, TM, RG, and VC evaluated and reported the imaging findings; CN, RM, MP, and AC drafted the manuscript; and all the authors revised and commented on the paper and approved the final version of the manuscript.

Compliance with ethical standards

Conflict of interest
The authors declare that they have no conflict of interest.

Ethical approval
All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed consent
Informed consent was obtained from all individual participants included in the study.