1. Institute of Infection, Inflammation and Immunity, 120 University Place, University of Glasgow; Glasgow G12 8TA United Kingdom
2. Department of Biochemistry, Centre for Glycobiology; Institute of Integrative Biology, University of Liverpool; Liverpool L69 7ZB United Kingdom
3. Laboratory for Neuroregeneration; Netherlands Institute for Neuroscience; Meibergdreef 47 Amsterdam BA 1105 the Netherlands
4. Institute of Neuroscience and Psychology, West Medical Building, University of Glasgow; Glasgow G12 8QQ United Kingdom