Endoscopic Treatment of Weight Regain Following Roux-en-Y Gastric Bypass: a Systematic Review and Meta-analysis - Brunaldi, Vitor Ottoboni; Jirapinyo, Pichamol; Moura, Diogo Turiani H. de; Okazaki, Ossamu; Bernardo, Wanderley M.; Galvo Neto, Manoel; Campos, Josemberg Marins; Santo, Marco Aurelio; Moura, Eduardo G. H. de (Obesity surgery, 2018)