1. Laboratoire de Chimie BioOrganique et des Systèmes Moléculaires Vectoriels, Université d’Avignon et des Pays de Vaucluse, Faculté des Sciences, 33 Rue Louis Pasteur, 84000 Avignon, France
2. Department of Dermatology, University of Luebeck, Ratzeburger Allee 160, D-23538 Luebeck, Germany
3. Abteilung fuer Stoffwechselphysiologie, Institut fuer Zoologie, Anthropologie und Entwicklungsbiologie der Georg August Universität Göttingen, Berliner Strasse 28, D-37073 Göttingen, Germany
4. Department of Pharmacology and Center for Biomedical EPR Spectroscopy and Imaging, The Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, Columbus, Ohio 43210
5. Department of Neurology, Medical University of South Carolina, Charleston, South Carolina 29425