Funding for this research was provided by:
Ligue Pulmonaire Vaudoise
Faculty of Biology and Medicine Lausanne Switzerland
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (33CSCO-122661, 33CS30-139468, 33CS30-148401)
Received: 7 May 2018
Accepted: 26 November 2018
First Online: 13 December 2018
Ethics approval and consent to participate
: The institutional Ethics Committee of the University of Lausanne, which later became the Ethics Commission of Canton Vaud approved the baseline CoLaus/PsyCoLaus study; the approval was renewed for the first and the second follow-up. The study was performed in agreement with the Helsinki declaration and its former amendments, and in accordance with the applicable Swiss legislation. All participants gave their signed informed consent before entering the study.
: Not applicable.
: The authors report that they have no competing interests.
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