Funding for this research was provided by:
National Institute for Health Research (P59772)
Medical Research Council (MR/R000484/1)
Article History
Received: 31 October 2017
Revised: 27 January 2018
Accepted: 20 March 2018
First Online: 26 March 2018
Change Date: 17 April 2018
Change Type: Correction
Change Details: Species survival is dependent on successful reproduction. This begins with a desire to mate, followed by selection of a partner, copulation and in monogamous mammals including humans.
Compliance with ethical standards
:
: The authors have declared that no conflict of interest exists.