Safety and efficacy of occipital nerve stimulation for attack prevention in medically intractable chronic cluster headache (ICON): a randomised, double-blind, multicentre, phase 3, electrical dose-controlled trial

Leopoldine A. Wilbrink, Ilse F. de Coo, Patty G. G. Doesborg, Wim M Mulleners, Onno P M Teernstra, Eveline C. Bartels, Katja Bürger, Frank Wille, R.T.M. van Dongen, Erkan Kurt, G.H. Spincemaille, Joost Haan, Erik W. van Zwet, Frank Huygen, Michel D. Ferrari, Michel D. Ferrari, Leopoldine A. Wilbrink, Ilse F. de Coo, Patty G. G. Doesborg, Eveline C. Bartels, Erik W. van Zwet, Frank Huygen, Wim M. Mulleners, R.T.M. van Dongen, Erkan Kurt, Onno Teernstra, Peter J. Koehler, G.H. Spincemaille, Frank Wille, Katja Bürger, J. Haan, E. G. M. Couturier, Jan Willem Kallewaard, Petrus H. Veltink, Jean Schoenen, Delphine Magis, Lóránd Erőss, Judit Áfra, Hartmut Göbel, A. Heinze, Volker Tronnier, Dirk Rasche, Volker Tronnier, Dirk Rasche