Weiß, Christel Weiss, Daniel N., Vicor Technologies, Inc., Boca Raton, FL, USA Weissmann, Norbert Wejner-Mik, Paulina, Department of Cardiology, Medical University of Lodz, Poland Wejner-Mik, Paulina Wejner-Mik, Paulina (Poland) Welp, Henryk Welz, Armin Wendelboe Nielsen, Olav Wendler, Olaf, Kings College Hospital Kings College London PhD Wendler, Olaf Werner, Bożena Werner, Bożena (Poland) Werner, Bożena Werner, Gerald S. Werner, Nikos Wernert, Nicolas Weroński, Krzysztof, Department of Congenital Heart Diseases, Institute of Car diology Warsaw Werther-Evaldsson, Anna, Lund University, Skane University Hospital, The Clinic for Heart Failure and Valvular Disease, Lund, Sweden Weryński, Piotr Weryński, Piotr, Department of Pediatric Cardiology, Polish-American Institute of Pediatrics (PAIP), Jagiellonian University, Medical College, Krakow, Poland Wesołowska, Kamilla Wesołowska, Katarzyna Wesołowski, Marek Wester, Andrzej