1. From the Clinica Medica and Department of Medicine (E.A-R.), University Hospital, Brescia, Italy; Clinica Medica and Department of Medicine (G.M.), University of Milano-Bicocca, St Gerardo Hospital, Monza, Milan, Italy; St Vincent’s Clinic/University of New South Wales (M.F.O.), Darlinghurst, Australia; Weill Medical College (M.J.R.), Cornell University, Ithaca, NY; Centre de Diagnostic (M.E.S.), Hopital Hotel-Dieu, Paris, France; Department of Medicine (H.S.), Upstate Medical University, Syracuse,...