Mein, Gill http://orcid.org/0000-0002-0421-8811
Grant, Robert
Article History
Received: 29 December 2017
Accepted: 31 July 2018
First Online: 9 August 2018
Ethics approval
: Ethical approval for the Whitehall II study was obtained from the University College London Medical School committee on the ethics of human research.
: Not applicable.
: The authors declare that they have no competing interests.
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