- Correspondence to Dr Jeremy R Parr, Institute of Neuroscience, Newcastle University, Framlington Place, Newcastle-upon-Tyne NE2 4HH, UK;
- Received 18 July 2017
- Revised 22 September 2017
- Accepted 2 October 2017
- Published online 30 November 2017.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.