ESC Committee for Practice Guidelines (CPG): Jeroen J. Bax (CPG Chairperson) (The Netherlands), Helmut Baumgartner (Germany), Claudio Ceconi (Italy), Veronica Dean (France), Christi Deaton (UK), Robert Fagard (Belgium), Christian Funck-Brentano (France), David Hasdai (Israel), Arno Hoes (The Netherlands), Paulus Kirchhof (Germany/UK), Juhani Knuuti (Finland), Philippe Kolh (Belgium), Theresa McDonagh (UK), Cyril Moulin (France), Bogdan A. Popescu (Romania), Z. eljko Reiner (Croatia), Udo Sechtem (Germany), Per Anton Sirnes (Norway), Michal Tendera (Poland), Adam Torbicki (Poland), Alec Vahanian (France), Stephan Windecker (Switzerland). Document Reviewers: Theresa McDonagh (CPG Co-Review Coordinator) (UK), Udo Sechtem (CPG Co-Review Coordinator) (Germany), Luis Almenar Bonet (Spain), Panayiotis Avraamides (Cyprus), Hisham A. Ben Lamin (Libya), Michele Brignole (Italy), Antonio Coca (Spain), Peter Cowburn (UK), Henry Dargie (UK), Perry Elliott (UK), Frank Arnold Flachskampf (Sweden), Guido Francesco Guida (Italy), Suzanna Hardman (UK), Bernard Iung (France), Bela Merkely (Hungary), Christian Mueller (Switzerland), John N. Nanas (Greece), Olav Wendelboe Nielsen (Denmark), Stein Orn (Norway), John T. Parissis (Greece), Piotr Ponikowski (Poland). The disclosure forms of the authors and reviewers are available on the ESC website www.escardio.org/guidelines