Charité Campus Mitte, Berlin-Mitte, Germany
University Hospital Carl Gustav Carus, Dresden, Germany
University Hospital Duesseldorf, Düsseldorf, Germany
Kiel University, University Hospital Schleswig-Holstein, Kiel, Germany
Institute of Human Nutrition, Kiel, Germany
Institute of Human Nutrition, Kiel, Germany
Krankenhaus Landshut Achdorf, Landshut, Bavaria, Germany
Fachklink Satteldüne der DRV Nord, Nebel / Amrum, Schleswig-Holstein, Germany
Strandklinik St. Peter-Ording, Saint Peter-Ording, Schleswig-Holstein, Germany
University of Kiel, Kiel, Schleswig-Holstein, Germany
Landeskrankenhaus Wiener Neustadt, Wiener Neustadt, Austria
Louis Pradel Hospital, Lyon, Bron, France
Krankenhaus Landshut Achdorf, Landshut, Bavaria, Germany
Institute of Human Nutrition, Kiel, Germany
Institute of Human Nutrition, Kiel, Germany
Institute of Human Nutrition, Kiel, Germany