1. University of Otago, Christchurch, New Zealand
2. University of Otago/New Zealand Brain Research Institute, Christchurch, New Zealand
3. Menzies Research Institute, University of Tasmania, Hobart, Australia
4. University of Otago/New Zealand Brain Research Institute, Christchurch, New Zealand/Queen Square MS Centre, UCL Institute of Neurology, London, UK
5. University of Canterbury, Christchurch, New Zealand
6. University of Otago/New Zealand Brain Research Institute, Christchurch, New Zealand/Christchurch Public Hospital, New Zealand