Decker S, Lafage R, Krettek C, Hart R, Ames C, Smith JS, Burton D, Klineberg , Bess S, Schwab FJ, Lafage V, International Spine Study Group
Kang J, Hosogane N, Ames C, Schwab F, Hart R, Burton D, Shaffrey C, Smith JS, Bess S, Lafage V, Cho KJ, Ha Y, for the International Spine Study Group and Asian Pacific Spine Study Group
Pierce KE, Passias PG, Brown AE, Bortz CA, Alas H, Passfall L, Krol O, Kummer N, Lafage R, Chou D, Burton DC, Line B, Klineberg E, Hart R, Gum J, Daniels A, Hamilton K, Bess S, Protopsaltis T, Shaffrey C, Schwab FA, Smith JS, Lafage V, Ames C, on behalf of the International Spine Study Group (ISSG)