[1
]From The General Infirmary and St James’s University Hospital, Leeds (J.N., P.D.B.,
S.J.L.); Queens Medical Centre, Nottingham (R.A., P.B., A.C.); The Royal Infirmary,
Doncaster (M.M., W.B.); and the University of Edinburgh (A.D.F., R.J.P., J.M.M.N.,
K.A.A.F.).