Funding for this research was provided by:
Stiftelsen för Strategisk Forskning (RB13-0119)
Received: 16 April 2019
Accepted: 27 April 2020
First Online: 18 May 2020
Ethics approval and consent to participate
: The collection of clinical samples was approved by the Ethics Committee of the Umeå University and all patients signed an informed consent in accordance with the WMA Declaration of Helsinki 2013. Informed written consent was provided by all patients.
: Not applicable.
: All authors declare that they have no competing interest.