title: The freedom of choice.
authors.affiliation: Department of Gastroenterology, Hepatology and Infectious Diseases, Otto-von-Guericke University Magdeburg, Magdeburg, Germany.
authors.forename: Jochen
authors.initials: J
authors.lastname: Weigt
authors.affiliation: Department of Gastroenterology, Hepatology and Infectious Diseases, Otto-von-Guericke University Magdeburg, Magdeburg, Germany.
authors.forename: Wilfried
authors.initials: W
authors.lastname: Obst
authors.affiliation: Department of Gastroenterology, Hepatology and Infectious Diseases, Otto-von-Guericke University Magdeburg, Magdeburg, Germany.
authors.forename: Peter
authors.initials: P
authors.lastname: Malfertheiner