Statistics from Altmetric.com
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.
Handling editor Dhirendra Govender.
Contributors JP captured images and revised the manuscript. AH prepared figures and wrote the manuscript.
Funding This work was supported by the Mattson Foundation via the Swedish Brain Foundation (PS2015-0060) and the Swedish Armed Forces, R&D.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.