Laitakari, K. E.
Mäkelä-Kaikkonen, J. K.
Pääkkö, E.
Ohtonen, P.
Rautio, T. T.
Article History
Received: 3 April 2019
Accepted: 20 June 2019
First Online: 3 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study has been approved by the Ethical Committtee of the Oulu University Hospital.
: Written informed consent was obtained from all patients.