1 Department of Medicine (Weinberg, Syed), Salford Royal NHS Foundation Trust, Salford, UK; Faculty of Biology, Medicine & Health (Syed), The University of Manchester, Manchester, UK Weinberg@doctors.org.uk.
2 Department of Medicine (Weinberg, Syed), Salford Royal NHS Foundation Trust, Salford, UK; Faculty of Biology, Medicine & Health (Syed), The University of Manchester, Manchester, UK.