Letter to the Editor concerning “Clinical and radiological factors related to the presence of motor deficit in lumbar disc prolapse: a prospective analysis of 70 consecutive cases with neurological deficit” by V. Krishnan et al. [Eur Spine J (2017) 26:2642–2649)
All the above mentioned authors have made substantial contributions to all of the following: (1) the conception and design of the study, (2) drafting the article or revising it critically for important intellectual content, (3) final approval of the version to be submitted.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no competing interests.