Funding for this research was provided by:
Region Örebro län
Text and Data Mining valid from 2018-11-06
Received: 1 March 2018
Accepted: 22 October 2018
First Online: 6 November 2018
Ethics approval and consent to participate
: This study was approved by the Regional Ethics Committee in Uppsala (Reference number 2017/247), and was conducted in accordance with the standards of the 1964 Helsinki Declaration and its later amendments. All members of the operation team and patients were informed of the audio-video recording and the presence of an external observer. Since the introduction of audio-video recording was a change in hospital routine, no written consent was obtained. This was approved by the Regional Ethics Committee.
: Not applicable.
: The authors declare that they have no competing interests.
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