Authors: Douglas A, Fitzgerald S, Mereuta OM, Rossi R, O'Leary S, Pandit A, McCarthy R, Gilvarry M, Holmegaard L, Abrahamsson M, Jerndal M, Dehlfors N, Brennan P, Power S, O'Hare A, Griffin E, Kallmes DF, Brinjikji W, Szikora I, Tatlisumak T, Rentzos A, Thornton J, Doyle K