Author contributions
SCES, T.D.L.
A.S.G., D.L., and R.T initiated the project and designed the study protocol. L.L.G. and T.D.L. performed clinical assessments. R.T. Intraoperative placement of the SCES and subjects’ assessment. A.S.G., T.W.S., J.A.G., and A.A. contributed to data collection, analysis, and interpretation and drafted the manuscript with subsequent contribution from all authors. T.W.S, J.A.G., and A.S.G. supervised all aspects of the work., A.S.G. secured funding