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Guarantor of the article: Kyle Staller, MD, MPH
Specific author contributions: IA, RF, and KS conceived and designed the study. KS supervised the project. All authors interpreted the data and contributed to the writing of the paper.
Financial support: None.
Potential competing interests: KS has received research support from AstraZeneca, Takeda, and Gelesis, has served as a speaker for Shire, and has served as a consultant to Bayer Ag, Synergy, and Shire.
© 2020 by the AGA Institute
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