Vierunen, Riku M. http://orcid.org/0000-0003-3388-4562
Koivikko, Mika P.
Siironen, Jari O.
Kerttula, Liisa I.
Bensch, Frank V.
Article History
Received: 24 September 2020
Accepted: 3 December 2020
First Online: 16 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Ethics Committee of Helsinki University Hospital.
: Not applicable. This study was an observational retrospective registry study, and no consents were obtained.
: Not applicable. This study was an observational retrospective registry study, and no consents were obtained.