1. From the University of Nottingham (C.G., M.T., T.E., G.S., P.M.W.B.), Nottingham, United Kingdom; University of Franche-Comté (T.M.), Besançon, France; Lariboisiere University Hospital (F.W.), Paris, France; University of Copenhagen (H.C.), Copenhagen, Denmark; University of Antwerp (P.P.D.), Antwerp, Belgium; CHRU de Lille (D.L.), Lille, France; Adelaide & Meath Hospital (D.O.), Dublin, Ireland; University of Münster (E.B.R.), Münster, Germany.