Congress Presentation
Speaker: Doctor A. Berruezo Sanchez (Barcelona, ES) Doctor J. Acosta Martinez (Seville, ES)
Speaker: Doctor A. Berruezo Sanchez (Barcelona, ES) Doctor J. Acosta Martinez (Seville, ES) Doctor W. Stevenson (Nashville, US) Doctor M. Saba (London, GB) Professor J. Almendral Garrote (Boadilla del Monte, ES) Professor K. Zeppenfeld (Leiden, NL) Doctor L. Bertagnolli (Bolzano, IT)