Mäkelä-Kaikkonen, J.
Rautio, T.
Ohinmaa, A.
Koivurova, S.
Ohtonen, P.
Sintonen, H.
Mäkelä, J.
Article History
Received: 6 February 2019
Accepted: 15 April 2019
First Online: 8 May 2019
Compliance with ethical standards
:
: Tero Rautio, M.D., Ph.D., is a surgical consultant for Intuitive. The other authors declare that they have no conflict of interest.
: The study has been approved by the Ethical Committee of the Oulu University Hospital and it has been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: All study participants signed a personal written informed consent.