Lazaridis, I.I. Kraljević, M. Schneider, R. Klasen, J.M. Schizas, D. Peterli, R. Kow, L. Delko, T. Noel, P. Singhal, R. Girodet, M. Soprani, A. Brehant, O. Moszkowicz, D. Coueffe, X. Lanne, J.S. Rosenblum, I. Moldovanu, R. Pflieger, H. Kuperas, C. Martinez Duartez, P. Luyer, M.D.P. Arnalsteen, L. Hazebroek, E.J. Sykora, M. Kennedy, C. Hauswirth, F. Tchanderli-Braham, R. Le Page, S. Boerma, E.-J.G. Chousleb, E. Langenhoff, B. ElFawal, M.H. Paolino, L. Martini, F. Johanet, H. Barthes, T. Halabi, M. Del Prete, M. Fiolo, F.E. Blanchard, C. Bashir, A. Hagen, M. Techagumpuch, A. Dan, S. Catheline, J.-M. Georgeac, C. Lefter, L.P. Lechaux, D. Widmer, J. Kaijser, M.A. Orlowski, M. François, P. Rogers, A.M. Nitu, V. Servajean, S. Fishman, M. Ignat, D.M. Molasoko, J.M. Takkenberg, M. Amal, E. Charara, M. Parmar, C. Brévart, C. Warberg, E.A. Marx, L. Vix, M. for the Collaborators, The Impact of the COVID-19 Pandemic on Bariatric Surgery: Results from a Worldwide Survey, Obesity Surgery, (30), 4428-4436, 2020, Springer-Verlag, 0960-8923, 1708-0428