Authors: Ahmed A Khattab; Stephan Windecker; Peter Jüni; David Hildick-Smith; Dariusz Dudek; Henning R Andersen; Reda Ibrahim; Gerhard Schuler; Antony S Walton; Andreas Wahl; Heinrich P Mattle; Bernhard Meier Journal: Trials Date: 2011-02-28 Impact factor: 2.279