Yann Philippe Charles (Strasbourg / FR), Francois Severac (Strasbourg / FR), Susana Núñez-Pereira (Barcelona / ES), Sleiman Haddad (Barcelona / ES), Ferran Pellisé (Barcelona / ES), Ibrahim Obeid (Bruges / FR), Louis Boissière (Bruges / FR), Caglar Yilgor (Istanbul / TR), Ahmet Alanay (Istanbul / TR), Frank Kleinstück (Zürich / CH), Markus Loibl (Zürich / CH), Francisco Perez-Grueso (Madrid / ES), Javier Pizones (Madrid / ES), ESSG European Spine Study Group (Barcelona / ES)