. Author manuscript; available in PMC: 2019 Sep 28.
Published in final edited form as: J Neural Eng. 2019 Aug 16;16(5):056015. doi: 10.1088/1741-2552/ab2c58
Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.