- Correspondence to Dr Elizabeth Iris Lamb, Ponteland Medical Group, Northumbria Primary Care, Newcastle upon Tyne, Ne20 9SD, UK;
- Accepted February 23, 2019
- First published March 18, 2019.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.