Principal Investigators: Gerhard Rogler, USZ
Principal Investigators: Frank Seibold, Magendarmzentrum Bern
Principal Investigators: Michel Maillard, La Source
Principal Investigators: Benjamin Misselwitz, Insel
Principal Investigator: Thomas Greuter, USZ
Principal Investigator: Michael Scharl, USZ
Principal Investigators: Michael Scharl, USZ
Principal Investigator: Thomas Rosemann, IHAMZ