Department of Clinical Chemistry and Laboratory Medicine, University of Mainz, Mainz, Germany, Department of Surgery, University of Tuebingen, Tuebingen, Germany, 1st Medical Department, University of Tuebingen, 72076 Tuebingen, Germany, Central Laboratory, Medical Clinic, University of Heidelberg, Heidelberg, Germany, Department of Medicine, Division of Digestive Disease, Emory University School of Medicine, Atlanta, Georgia, Institute of Physiology, University of Zurich, Zurich, Switzerland, and... (At 2005-02-18)
