1. Department of Neuroscience; Clinical Neurophysiology; Uppsala University; Sweden
2. Department of Physiology and Pharmacology; Department of Clinical Neuroscience; Karolinska Institute; Stockholm Sweden
3. Pennsylvania State University College of Medicine; Hershey PA USA
4. Department of Chemistry-Biomedical Center; Analytical Chemistry and SciLifeLab; Uppsala University; Sweden
5. Department of Biomedical Sciences; University of Padova; Italy
6. CNR-Institute of Neuroscience; Padova section; Italy
7. Department of Physiology; Wayne State University; Detroit MI USA
8. Japan Synchrotron Radiation Research Institute; Sayo-cho; Sayo-gun; Hyogo Japan