Jelonnek, John Aiello, Gaetano Alberti, Stefano Avramidis, Konstantinos Bruschi, Alex Chelis, Ioannis Franke, Thomas and Gantenbein, Gerd Garavaglia, Saul Granucci, Gustavo and Grossetti, Giovanni Illy, Stefan Ioannidis, Zisis Jin, Jianbo Kalaria, Parth Latsas, George Pagonakis, Ioannis and Peponis, Dimitrios Rzesnicki, Tomasz Ruess, Sebastian Ruess, Tobias Scherer, Theo Schmid, Martin Strauss, Dirk Wu, Chuanren Thumm, Manfred Tigelis, Ioannis Minh Quang Tran and Wilde, Fabian Zein, Andy, Towards Advanced Fusion Gyrotrons: 2018 Update on Activities within EUROfusion, 2019, E D P SCIENCES,