Funding for this research was provided by:
Received: 7 November 2017
Accepted: 3 May 2018
First Online: 1 June 2018
Ethics approval and consent to participate
: The study was approved by the Danish Data Protection Agency (Journal no. 13/32033). Data protection met the standards set by Danish law, which allows patients to be contacted for follow up. The study complied with the ethical and legal regulations in Denmark for clinical studies of this nature.
: The authors state that there is no conflicts of interest. The authors declare that they have no competing interest in the performance of the study.Authors have no disclosure or any financial and personal relationships with other people or organizations that could inappropriately influence (bias) this work.
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