Mr. Chairman, ladies and gentlemen, with great pleasure I like to welcome you in the cityofGroningen and hope that you will have an enriching and enlighten ing discussion on the conference theme on risk management in blood trans fusion. The organisation of this symposium aims at scientific networking by discussing in an international forum the most important themes of current interest in relation to the state of the art in transfusion medicine. Dr. Cees Smit Sibinga took the initiative in 1976 to start organising the blood bank symposia as they were named in the beginning. Without doubt these...