Funding. The ABCD provided funding to support the establishment of the ABCD Worldwide EndoBarrier Registry. Duality of Interest. R.E.J.R. has received speaker fees, consultancy fees, and/or educational sponsorships from Abbott, BioQuest, GI Dynamics, and Novo Nordisk. J.S. and K.L. have received honoraria for speaker bureau, consultancy, and research funding from GI Dynamics. No other potential conflicts of interest relevant to this article were reported. Author Contributions.