Siller, Sebastian http://orcid.org/0000-0002-5236-4397
Raith, Constance
Zausinger, Stefan
Tonn, Joerg-Christian
Szelenyi, Andrea
Article History
Received: 8 April 2019
Accepted: 5 June 2019
First Online: 21 June 2019
Compliance with ethical standards
:
: All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements) or non-financial interest (such as personal or professional relationships, affiliations, knowledge, or beliefs) in the subject matter or materials discussed in this manuscript.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all participating spine centers included in the study.