1. Research
Unit Protein Science, Helmholtz Zentrum Muenchen, German Research Center for Environmental Health (GmbH), D-85764 Neuherberg, Germany
2. Institute
of Animal Physiology, Department of Veterinary Sciences, Ludwig-Maximilians University, 80539 Muenchen, Germany
3. Centre
of Ophthalmology, University Medical Centre, University of Tuebingen, 72076 Tuebingen, Germany