Viberg, Bjarke http://orcid.org/0000-0001-5169-4282
Gundtoft, Per Hviid
Schønnemann, Jesper
Pedersen, Lasse
Andersen, Lis Røhl
Titlestad, Kjell
Madsen, Carsten Fladmose
Lauritsen, Jens
Overgaard, Søren
Article History
Received: 17 February 2018
Accepted: 2 May 2018
First Online: 18 May 2018
Ethics approval and consent to participate
: Register studies in Denmark do not have ethical approval or consent for participants since it is routinely collected data. All aspects of the present study were reviewed and approved by the Danish Data Protection Agency (case number 16/10091) and the Danish Patient Safety Authority (case number 3-3013-1709/1).
: The following authors declare that they have no competing interests: BV, PG, JS, LP, LA, KT, CM, JL. Professor SO has received grants from Biomet Denmark and Biomet Inc., DePuy and Protesekompagniet, and Zimmer. He has a board membership in Mundipharma International Ltd., and he is also on the advisory board for Eli Lilly (Fostero) and MSD (NSAID). He is investigator for Sanofi-aventis Denmark A/S.
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