[1] Royal Free Hosp NHS Fdn Trust, Cardiol, London, England
[2] Mid & South Essex NHS Fdn Trust, Internal Med, Southend On Sea, England
[3] Mid & South Essex NHS Fdn Trust, Cardiol, Southend On Sea, England
[4] Barking Havering & Redbridge Univ Hosp NHS Trust, Acute Internal Med, London, England
[5] Barking Havering & Redbridge Univ Hosp NHS Trust, Internal Med, London, England
[6] Barking Havering & Redbridge Univ Hosp NHS Trust, Emergency Med, London, England
[7] Daisy Hill Acute Hosp, Internal Med, Newry, Ireland
[8] Mid & South Essex NHS Fdn Trust, Gastroenterol, Southend On Sea, England
[9] Barking Havering & Redbridge Univ Hosp NHS Trust, Geriatr, London, England
[10] Sandwell & West Birmingham NHS Trust, Internal Med Haematol, Birmingham, W Midlands, England
[11] Barking Havering & Redbridge Univ Hosp NHS Trust, Internal Med & Diabet & Endocrinol, London, England