1. Institute of Medical Immunology; Martin Luther University Halle-Wittenberg; Halle (Saale) Germany
2. German Institute of Human Nutrition; Potsdam-Rehbrücke; Nuthetal Germany
3. Institute of Agricultural and Nutritional Sciences; Martin Luther University Halle-Wittenberg; Halle (Saale) Germany
4. Delacon Biotechnik GmbH; Steyregg Austria
5. Leibniz-Institute of Plant Biochemistry; Halle (Saale) Germany