xxi Giuseppe Adamo Marta Amata Özen K. Basoglu Renzo Boersma Izolde Bouloukaki Marie Bruyneel Bertien Buyse Louise Byrne Francesca Casoni Sarah Cullivan Sonia Deweerdt Marijke Dieltjens Marta Drummond Refika Ersu Brigitte Fauroux Luigi Ferini-Strambi Andrea Galbiati Sergio Garbarino Anna Heidbreder Athanasios Kaditis Alexandros Kalkanis Georgios Kaltsakas Juan F. Masa Jiménez The following authors have no disclosures to declare: Gisèle Maury Walter T. McNicholas Imran Johan Meurling Maria Paola Mogavero Dimitrios Papadopoulos Athanasia Pataka Elisa Perger Dirk Pevernagie Victor R. Ramírez Molina Silke Ryan Sophia E. Schiza Bernardo Selim Marco Sforza Neeraj M. Shah Anita K. Simonds Ambra Stefani Hui-Leng Tan Dries Testelmans Ha Trang Piet-Heijn van Mechelen Maria Pia Villa Stijn Verhulst