Birnefeld, Johan http://orcid.org/0000-0001-6331-4283
Wåhlin, Anders
Eklund, Anders
Malm, Jan http://orcid.org/0000-0001-6451-1940
Funding for this research was provided by:
Hjärt-Lungfonden (20110383, 20140592)
Vetenskapsrådet (2015-05616, 2017-04949)
Article History
Received: 9 August 2019
Revised: 30 October 2019
Accepted: 2 November 2019
First Online: 14 November 2019
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
: The study was approved by the Umeå University ethical review board (diary no. 2012-396-32M and 2011-440-31M) and performed in accordance with the guidelines of the 1964 Declaration of Helsinki and its later amendments.
: All patients provided informed written consent.