Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (33CS30-148401, P1LAP3-171805)
Medical Research Council (SJAG/004 RG71153, MC_UU_12015/1, MC_UU_12015/5)
National Institute for Health Research (IS-BRC-1215-20014)
Faculty of Biology and Medicine of Lausanne (33CS30-139468)
Received: 16 August 2018
Accepted: 4 January 2019
First Online: 24 January 2019
Ethics approval and consent to participate
: The Fenland Study was approved by the Cambridge Local Research Ethics Committee (NRES Committee East of England-Cambridge Central – 04/Q0108/19). The institutional Ethics Committee of the University of Lausanne, which later became the Ethics Commission of Canton Vaud (ExternalRef removed) approved the CoLaus study (reference 16/03). Both studies were performed in agreement with the Helsinki declaration and its former amendments. Informed consent was obtained from all participants in both studies.
: Not applicable.
: The authors declare that they have no competing interests.
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