Kieser DC, Boissiere L, Bourghli A, Hayashi K, Cawley D, Yilgor C, Alanay A, Acaroglu E, Kleinstueck F, Pizones J, Pellise F, Perez-Grueso FJS, Obeid I, on behalf of the European Spine Study Group
Nabi V, Ayhan S, Yuksel S, Adhikari P, Vila-Casademunt A, Pellise F, Perez-Grueso FS, Alanay A, Obeid I, Kleinstueck F, Acaroglu E, European Spine Study Group