[1] Norfolk & Norwich Univ Hosp, Dept Dermatol, Colney Lane, Norwich NR4 7UY, Norfolk, England
[2] Norfolk & Norwich Univ Hosp, Dept Rheumatol, Colney Lane, Norwich NR4 7UY, Norfolk, England
[3] Norfolk & Norwich Univ Hosp, Dept Gastroenterol, Colney Lane, Norwich NR4 7UY, Norfolk, England