AGREE-S: AGREE II extension for surgical interventions – United European Gastroenterology and European Association for Endoscopic Surgery methodological guide by Logullo, P, Florez, ID, Antoniou, GA, Markar, S, López‐Cano, M, Silecchia, G, Tsokani, S, Mavridis, D, Brouwers, M, Antoniou, SA, Sami Abdel Dayem Amer, Y, Bertolaccini, L, Alonso‐Coello, P, Akl, EA, Chand, M, Como, JJ, Borst, GJ, Di Saverio, S, Emile, S, Eom, BW, Gorter, R, Hanna, G, Immonen, K, Lai, Q, Lumen, N, Mathew, JL, Montendori, A, Moya, M, Pellino, G, Sanabria, A, Saratzis, A, Smart, N, Stefanidis, D, Zaninotto, G

AGREE-S: AGREE II extension for surgical interventions: appraisal instrument by Antoniou, SA, Florez, ID, Markar, S, Logullo, P, López-Cano, M, Silecchia, G, Antoniou, GA, Tsokani, S, Mavridis, D, Brouwers, M, Dayem, YSA, Bertolaccini, L, Alonso-Coello, P, Akl, E, Chand, M, Como, JJ, de Borst, GJ, Di Saverio, S, Emile, S, Eom, BW, Gorter, R, Hanna, G, Immonen, K, Lai, Q, Lumen, N, Mathew, JL, Montendori, A, Moya, M, Pellino, G, Sanabria, A, Saratzis, A, Smart, N, Stefanidis, D, Zaninotto, G

A framework for the definition and interpretation of the use of surrogate endpoints in interventional trials by Ciani, O, Manyara, AM, Davies, P, Stewart, D, Weir, CJ, Young, AE, Blazeby, J, Butcher, NJ, Bujkiewicz, S, Chan, A-W, Dawoud, D, Offringa, M, Ouwens, M, Hróbjartssson, A, Amstutz, A, Bertolaccini, L, Bruno, VD, Devane, D, Faria, CDCM, Gilbert, PB, Harris, R, Lassere, M, Marinelli, L, Markham, S, Powers, JH, Rezaei, Y, Richert, L, Schwendicke, F, Tereshchenko, LG, Thoma, A, Turan, A, Worrall, A, Christensen, R, Collins, GS, Ross, JS, Taylor, RS