Funding for this research was provided by:
Det Frie Forskningsråd
Nordea-fonden (Center for Healthy Aging Grant)
Novo Nordisk Fonden
Received: 6 August 2018
Accepted: 23 January 2019
First Online: 31 January 2019
Ethics approval and consent to participate
: The study complied with the Helsinki Declaration and all participants gave oral and written consent before enrollment. The study was registered at ExternalRef removed (NCT02123641, registered on April 25th 2014) and was approved by the Capital Region ethical committee (J-no. H-3- 2014-017) and the Danish Data Protection Agency (J-no. 2012-58-0004 - BFH-2016-025, I-suite 04545).
: Not applicable.
: All authors declare that they have no competing interests.
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