Farhang, Mehdy
Mukka, Sebastian
Bergström, Ulrica
Svensson, Olle
Sayed-Noor, Arkan S.
Article History
Received: 15 January 2019
Accepted: 25 July 2019
First Online: 7 August 2019
Ethics approval and consent to participate
: The study was conducted in accordance with the ethical principles of the Helsinki declaration and was approved by the regional Ethics Committee of Umeå University.
: N/A.
: The authors declare that they have no competing interests.