Comprehensive user requirements engineering methodology for secure and interoperable health data exchange oleh Pantelis Natsiavas, Janne Rasmussen, Maja Voss-Knude, Κostas Votis, Luigi Coppolino, Paolo Campegiani, Isaac Cano, David Marí, Giuliana Faiella, Fabrizio Clemente, Marco Nalin, Evangelos Grivas, Oana Stan, Erol Gelenbe, Jos Dumortier, Jan Petersen, Dimitrios Tzovaras, Luigi Romano, Ioannis Komnios, Vassilis Koutkias