Sundseth, Jarle http://orcid.org/0000-0002-8800-5302
Fredriksli, Oddrun Anita
Kolstad, Frode
Johnsen, Lars Gunnar
Pripp, Are Hugo
Andresen, Hege
Myrseth, Erling
Müller, Kay
Nygaard, Øystein P.
Zwart, John-Anker
,
Funding for this research was provided by:
South-Eastern Norway Regional Health Authority (grant number 2012009)
DePuy Synthes Spine (PR3169820)
Article History
Received: 2 September 2016
Revised: 5 December 2016
Accepted: 13 December 2016
First Online: 23 December 2016
Compliance with ethical standards
:
: Supported by the South-Eastern Norway Regional Health Authority (Grant Number 2012009). The study committee has received an unconditional Grant from DePuy Synthes Spine (325 Paramount Drive Raynham, MA 02767), a division of Johnson & Johnson AB, Norwegian branch office and OrtoMedic AS (Vollsveien 13E, 1366 Lysaker, Norway).
: None.