Zegrea, A. http://orcid.org/0000-0002-7458-9386
Kirss, J.
Pinta, T.
Rautio, T.
Varpe, P.
Kairaluoma, M.
Aho, M
Böckelman, C.
Lavonius, M.
Article History
Received: 30 July 2019
Accepted: 6 January 2020
First Online: 21 January 2020
Compliance with ethical standards
:
: Adrian Zegrea has received financial support for attending symposia from Medtronic, Olympus, Johnson & Johnson. The other authors declare that they have no conflict of interest.
: This study was conducted in accordance with Finnish Medical Research Act 488/199, 295/2004 and approved by the Ethics Committee of the Hospital District of Southwest Finland (ETMK:163/1801/2015).
: Formal consent was not required for this retrospective study.