1 Center for Inherited Cardiovascular Diseases, IRCCS Foundation Policlinico San Matteo, Pavia, Italy. Electronic address: e.arbustini@smatteo.pv.it.
2 Center for Inherited Cardiovascular Diseases, IRCCS Foundation Policlinico San Matteo, Pavia, Italy; Cardiovascular Center, Toranomon Hospital, Tokyo, Japan.
3 Center for Inherited Cardiovascular Diseases, IRCCS Foundation Policlinico San Matteo, Pavia, Italy.