Chen, Xiaojing http://orcid.org/0000-0003-1354-5053
Barywani, Salim Bary
Sigurjonsdottir, Runa
Fu, Michael
Funding for this research was provided by:
Hjärt-Lungfonden
Article History
Received: 19 June 2017
Accepted: 16 May 2018
First Online: 7 June 2018
Ethics approval and consent to participate
: This study protocol was approved by the Human Ethical Committee at University of Gothenburg. All study participants provided written informed consent.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.