Endosleeve – Endoscopic sleeve gastroplasty with with apollo overstich: a new bariatric procedure for endoluminal bariatric surgery in high-risk and superobese patients - Zorron, R; Benzing, C; Krenzien, F; Adler, A; Veltzke-Schlieker, W; Denecke, C; Brandl, A; Pratschke, J (Zeitschrift für Gastroenterologie, 2017)