Funding for this research was provided by:
Universitetet i Tromsø (IN-1096130)
Text and Data Mining valid from 2020-03-16
Received: 13 December 2019
Accepted: 14 February 2020
First Online: 16 March 2020
Ethics approval and consent to participate
: The establishment of the SHIR and the corresponding data collection were approved by the Ethics Committee of the Northern State Medical University, Arkhangelsk (protocol 07/10–13 from 09.10.2013). Both medical and non-medical information were collected by the Shenkursk central district hospital which holds the rights to do so through local regulations and informed consent. The protocol for the present study was approved by the Ethics Committee of the Northern State Medical University, Arkhangelsk (protocol 03/04–17 from 27.04.2017). The study has been evaluated by the Norwegian Regional Committees for Medical and Health Research Ethics (REC) (Remit Assessment 2017/1995/REK nord).
: Not applicable.
: The authors declare that they have no competing interests.