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van der Wielen N, Paulus G, van Avesaat M, Masclee A, Meijerink J, Bouvy N.van der Wielen N, et al.Obes Surg. 2017 Mar;27(3):740-748. doi: 10.1007/s11695-016-2356-0.Obes Surg. 2017.PMID: 27620343Free PMC article.