Bilińska, Zofia T. Bilkiewicz, Tomasz Billert, Hanna Bilo, Grzegorz, Istituto Auxologico Italiano Bilo, Grzegorz Bilska, Anna Bilska, Karolina, Department of Congenital Heart Disease, Evelina London Children’s Hospital, London, United Kingdom Bin Waleed, Khalid Binikowski, Zbigniew Binkiewicz-Orluk, Maria Binko, Paweł Bińkowska, Anna Binno, Simone Binod, Aggrawal Biocina, Bojan, 3.Department of Cardiovascular surgery, University Hospital Centre “Zagreb”, Medical Faculty University of Zagreb; Croatia Biondi-Zoccai, Giuseppe Birand, Ali Birant, Ali, Department of Cardiology, Mehmet Akif Ersoy Thoracic and Cardiovascular Surgery Center, Training and Research Hospital, Istanbul/TURKEY Birbach, Mariusz Birbach, Mariusz Birdal, Oguzhan, Ataturk University Faculty of Medicine Bireta, Christian, Department of Thoracic and Cardiovascular Surgery, University Hospital Goettingen, Goettingen, Germany Birkemeyer, Ralf, Department of Cardiology, University of Rostock Birkemeyer, Ralf Birnbaum, Julia