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Article History

Accepted: 14 June 2022

First Online: 15 July 2022

Declarations

:

: Molecular diagnosis was supported by Hospices Civils de Lyon (France).

: Alexandre Janin, Thomas Perouse de Montclos, Cécile Cazeneuve, Rajae El-Malti, Elodie Morel, Antoine Delinière, Philippe Chevalier, and Gilles Millat are employees of Hospices Civils de Lyon (HCL), France. Karine Nguyen and Emilie Consolino are employees of Assistance Publique Hôpitaux Marseille (APHM), France. Gwenael Nadeau and Gaelle Rey are employees of Metropole Savoie Hospital Center at Chambéry, France. Océane Bouchot is employee of Centre Hospitalier Annecy, Genevois, France. Patricia Blanchet is employee of CHU de Montpellier, France. Quentin Sabbagh is an employee of Département de Génétique Médicale, CHU de Montpellier, Montpellier, France. None of the authors have any potential conflicts of interest to declare.

: This study was conducted in accordance with the principles of the Declaration of Helsinki and informed consent was obtained for all cases.

: Not applicable.

: Not applicable.

: The data that support the findings of this study are available from the corresponding author upon reasonable request.

: Not applicable.

: AJ, CC, and GM are Molecular Biologists involved in all molecular diagnosis steps (from blood sample to clinical reports). TPM, AD, PC and OB are Cardiologists involved in the clinical follow-up of the different families reported in this study. REM and EM are Clinical Research Assistants at the National Reference Center of Inherited Cardiac Diseases in Lyon. KN, EC, GN, GR, QS and PB are medical geneticists involved in genetic follow-up of the different families reported in this study (genetic counseling).