1. Acute Stroke Programme; Radcliffe Department of Medicine; University of Oxford; Oxford UK
2. Institute for Science and Technology in Medicine; School of Pharmacy; Keele University; Staffordshire UK
3. Institute of Veterinary Physiology and Zurich Center for Integrative Human Physiology; University of Zurich; Zurich Switzerland
4. Chemistry Research Laboratory; University of Oxford; Oxford UK
5. Department of Neurology; University of Heidelberg; Heidelberg Germany