Funding for this research was provided by:
Received: 26 December 2020
Accepted: 26 May 2021
First Online: 8 July 2021
: The study was conducted in accordance with the Declaration of Helsinki, and was approved by the local research ethics committee (270-18-ek). All subjects gave written informed consent to participate.
: Not applicable.
: One coauthor (GC) is an employee of GyroTools (GyroTools, Zurich, Switzerland) but had no control of the data. Other authors declare no competing interest or relationship with industry.