1. From the University of Nottingham (P.M.W.B., C.H.), Nottingham, UK; the University of Glasgow (K.R.L.), Glasgow, UK; JW Klinikum Minden (P.D.S.), Minden, Germany; Brainsgate (H.A.), Caesaria, Israel; the University of York (M.B.), York, UK; the University of Alabama at Birmingham (G.H.), Birmingham, AL; and Geffen School of Medicine at the University of California–Los Angeles (J.L.S.), Los Angeles, CA.