Kleinecke, Caroline, Medical Clinic II (Cardiology/Intensive Care Medicine), Ketschendorfer Straße 33, 96450 Coburg, Germany, Tel. +49 9561 22 33215, Fax +49 9561 226419 Kleinrok, Andrzej Kleinrok, Andrzej, Szpital im. Papieża Jana Pawła II w Zamościu (Poland) Kleinrok, Andrzej Kleinrok, Andrzej Klemenska, Emila, Department of Clinical Physiology, Medical Centre of Postgraduate Education, Warszawa, Poland Klempfner, Robert, Cardiac Rehabilitation Institute, Sackler Faculty of Medicine, Tel-Aviv, Israel Leviev Heart Institute, Sackler Faculty of Medicine, Tel-Aviv, Israel Israeli Society for the Prevention of Heart Attacks, Chaim Sheba Medical Center, Tel-Hashomer, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel Klempfner, Robert, Sheba Medical Center Tel Aviv University Kleszczewska, Magdalena Klich-Rączka, Alicja Kligfield, Paul, Weill Cornell Medical College, Cornell Center of The New York Presbyterian Hospital, New York, USA Kligfield, Paul, Division of Cardiology, Department of Medicine, Weill Cornell Medical College, New York, USA Klimczak, Artur, Department of Cardiology, Medical University of ŁódŸ, Poland Klimczak, Artur Klimczak, Artur Klimczak-Tomaniak, Dominika Klimczak-Tomaniak, Dominika (The Netherlands) Klimeczek, Piotr Klimek, Katarzyna Klingel, Karin Klingenheben, Thomas, Praxis für Kardiologie, Bonn, Germany Klisiewicz, Anna, Klinika Wad Wrodzonych Serca Instytutu Kardiologii w Warszawie Aninie Klisiewicz, Anna Klisiewicz, Anna (Poland) Klocek, Konrad