Abstract
1Invited author and member of the task force, Oncology, Kantonsspital, CH-4101 Bruderholz/BL, Switzerland; 2Assigned task force member, Elisabeth Krankenhaus GmbH, Abt. Onkologie/Hämatologie, Röntgenstrasse 10, 45661 Recklinghausen, Germany; 3Assigned task force member, Division of Oncology, University Hospital, Rämistrasse 100, CH-8091 Zürich, Switzerland