Phillips, Mary E http://orcid.org/0000-0002-9033-9993
Hopper, Andrew D
Leeds, John S http://orcid.org/0000-0002-5140-6225
Roberts, Keith J http://orcid.org/0000-0003-1799-9829
McGeeney, Laura
Duggan, Sinead N
Kumar, Rajesh
Funding for this research was provided by:
Sheffield Teaching Hospitals (Publication fees were met from an academic researc)
Mylan Pharmaceuticals (Editorial assistance was provided by Alpharmaxim H)