Masanori Taniwaki1, Stephan Windecker1, Lorenz Räber2. 1. Department of Cardiology, Swiss Cardiovascular Center Bern, Bern University Hospital, Bern 3010, Switzerland. 2. Department of Cardiology, Swiss Cardiovascular Center Bern, Bern University Hospital, Bern 3010, Switzerland lorenz.raeber@insel.ch.