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Article History

Received: 16 October 2019

Accepted: 29 March 2020

First Online: 10 April 2020

Ethics approval and consent to participate

: Written informed consent was obtained from each patient. The study protocol conforms to the ethical guidelines of the 1975 Declaration of Helsinki as reflected in a prior approval by the institution’s human research committee. The protocol was approved by the Ethical Review Board in Stockholm, part of the Swedish Ethical Review Authority, with Karolinska Institutet as a host-authority (DNR 2015/2079–31/1 and 2016/852–32).

: Consent for publication is not applicable.

: TF has received unrestricted research grants from Boehringer-Ingelheim & Stiftelsen Hjärtat. KKG has received a research grant from Stiftelsen Hjärtat. VF has received lecture fees from MSD, Boehringer-Ingelheim, Bayer and Medtronic. LF has received consultancy fees from Bayer, Boehringer-Ingelheim, BMS/Pfizer and Sanofi. FAK has received lecture fees from Bayer, Boehringer-Ingelheim, and BMS/Pfizer. JE has received consultancy fees from Pfizer, lecture fees from Bayer, Merck Sharp & Dome, and Medtronic, unrestricted research grants from Pfizer and Boehringer-Ingelheim. ES has received lecture fees from Bayer, Bristol-Myers Squibb-Pfizer, Boehringer- Ingelheim, and Sanofi, as well as unrestricted research grants from Boehringer-Ingelheim, Carl Bennett and Roche.