Text and Data Mining valid from 2018-10-31
Received: 5 June 2018
Accepted: 26 September 2018
First Online: 31 October 2018
: G.C, J.B., and S.M. are founders and shareholders of GTXmedical SA, a company developing neuroprosthetic systems in direct relationship with the present work. E.F., M.C., G.C., and S.M. hold several patents related to electrical spinal cord stimulation.