Acknowledgements
I would like to thank Prof Sir Simon Wessely, Prof Steve West, John de Pury, Nicola Byrom, Levi Pay, Alison Stenton and Julia Manning for their very helpful comments on the editorial. I am also very grateful to the authors of the papers in this special issue for their contributions – and patience as we went through the review process.
Declaration of interest
No potential conflict of interest was reported by the author.