Received: 20 March 2019
Accepted: 20 April 2020
First Online: 6 May 2020
Ethics approval and consent to participate
: The data utilized in this study were extracted from the European Multicenter Study about Spinal Cord Injury (EMSCI, ClinicalTrials.gov Identifier: NCT01571531, ExternalRef removed). All patients gave written informed consent. The ethical committee of the Canton of Zurich, Switzerland, has previously approved the EMSCI project, upon which this project is based, and the approval is also valid for any statistical analysis or reanalysis.
: Not applicable.
: The authors declare they have no competing interests.