Pauliina, Uutela http://orcid.org/0000-0002-2202-1457
Jakob, Passweg
Joda, Tim
Weiger, Roland
Matti, Mauramo
Tuomas, Waltimo
Article History
Received: 9 August 2019
Accepted: 19 December 2019
First Online: 2 January 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was conducted in accordance with the Declaration of Helsinki and was approved by the regional ethics committee (Ethikkommision Nordwest- und Zentralschweiz (EKNZ), Switzerland: EKNZ: 311-10 and EKNZ: 2017–02268).
: Informed consent was obtained from all the patients participating in 2018 (EKNZ: 2017-02268), the former data was collected retrospectively and formal consent was not required (EKNZ: 311-10).