Takao Sato1, Mohamed Abdel-Wahab2, Gert Richardt1. 1. Heart Center, Segeberger Kliniken GmbH, Academic Teaching Hospital of the Universities of Kiel, Lübeck and Hamburg, Am Kurpark 1, Bad Segeberg 23795, Germany. 2. Heart Center, Segeberger Kliniken GmbH, Academic Teaching Hospital of the Universities of Kiel, Lübeck and Hamburg, Am Kurpark 1, Bad Segeberg 23795, Germany mohamed.abdel-wahab@segebergerkliniken.de.