Association of glucose‐dependent insulinotropic polypeptide levels with cardiovascular mortality in patients with acute myocardial infarction: research letter - Kahles, Florian; Rückbeil, Marcia Viviane; Arrivas, Maria C.; Mertens, Robert W.; Möllmann, Julia; Biener, Moritz; Giannitsis, Evangelos; Katus, Hugo; Marx, Nikolaus; Lehrke, Michael (Journal of the American Heart Association, 2021)