1 Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology, and Metabolism, Medical University of Innsbruck, Innsbruck, Austria.
2 Center for Specialized Diagnostics Wick, Innsbruck, Austria.
3 Department of Hygiene, Microbiology, and Public Health, Institute of Virology, Medical University of Innsbruck, Innsbruck, Austria.
4 Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology, and Metabolism, Medical University of Innsbruck, Innsbruck, Austria. Electronic address: timon-erik.adolph@i-med.ac.at.
5 Department of Internal Medicine I, Gastroenterology, Hepatology, Endocrinology, and Metabolism, Medical University of Innsbruck, Innsbruck, Austria. Electronic address: herbert.tilg@i-med.ac.at.