1. Jan Stary, Jan Trka, and Ondrej Hrusak, Charles University and University Hospital Motol, Prague; Yahia Jabali, Regional Hospital, Ceske Budejovice, Czech Republic; Martin Zimmermann and Hansjörg Riehm, Medical School Hannover, Hannover; Martin Schrappe, University Hospital Schleswig-Holstein, Kiel, Germany; Myriam Campbell, Roberto del Rio Hospital, Universidad de Chile, Santiago, Chile; Luis Castillo, Hospital Pereira Rossell, Montevideo, Uruguay; Eduardo Dibar, Hospital Italiano de Buenos Aires,...