Rausch Osthoff, Anne-Kathrin
Beyer, Swantje
Gisi, David
Rezek, Spencer
Schwank, Ariane
Meichtry, André
Sievi, Noriane A.
Hess, Thomas
Wirz, Markus
Article History
Received: 8 March 2021
Accepted: 23 September 2021
First Online: 12 October 2021
Declarations
:
: The regional ethics committee (EC,Canton Zurich) approved the study on 4<sup>th</sup> May 2015 (<i>PB_2016-01523</i>). Data collection was conducted in accordance with Good Clinical Practice protocols and the Declaration of Helsinki principles. The COPD participants received written and oral information about the study. Written informed consent was obtained from all participants prior to baseline measurement.
: Not applicable.
: All authors declare that they have no competing interests.