1. Department of Gastroenterology, Conquest Hospital, East Sussex Healthcare NHS Trust, St Leonards on Sea, East Sussex, UK
2. Department of General Internal Medicine, Conquest Hospital, East Sussex Healthcare NHS Trust, St Leonards on Sea, East Sussex, UK
3. Department of Medicine for the Elderly, Conquest Hospital, East Sussex Healthcare NHS Trust, St Leonards on Sea, East Sussex, UK
4. Emergency Department, Conquest Hospital, East Sussex Healthcare NHS Trust, St Leonards on Sea, East Sussex, UK