Journal of The American Society of Echocardiography Journal of The American Society of Echocardiography, Elsevier, 2020, 33 (7), pp.838-847.e1. ⟨10.1016/j.echo.2020.03.008⟩ Journal of The American Society of Echocardiography, 2020, 33 (7), pp.838-847.e1. ⟨10.1016/j.echo.2020.03.008⟩