Professor Hildegard Greinix Bone Marrow Transplant Unit University Hospital of Vienna Austria Tel +43 1 40 400 4457 Fax +43 1 40 4002 2511 E-mail: hildegard.greinix@akh-wein.ac.at	Professor Lisbet Sviland Haukeland Sykehus Aveling for Patologi 5021-Bergen Postboks 1 Norway Tel 00-47-5-597-3171 Fax 00-47-5-597-3158 E-mail: isvi@haukeland.no
Dr PeterMiddleton Lecturer in Molecular Haematology Haematological Sciences School of Clinical and Laboratory Sciences The Medical School Framlington Place Newcastle upon Tyne NE2 4HH Tel Fax E-mail: p.g.middleton@ncl.ac.uk	Dr Xaio Nong Wang Senior Research Associate Haematological Sciences School of Clinical and Laboratory Sciences The Medical School Framlington Place Newcastle upon Tyne NE2 4HH Tel Fax E-mail: x.n.wang@ncl.ac.uk
Dr Gunther Eissner Klinikum der Universitat Regensburg Dept. Hamatology und Internistiche Onkologie 93053 Regensburg Germany Tel Fax E-mail:guenther.eisser@klinik.uni-regensburg.de	Prof Lars E French Privat-Docent, Department of Dermatology Geneva University Hospital Geneva Switzerland Tel +41 22 327 9455 Fax +41 22 702 5802 E-mail: Lars.French@medicine.unige.ch

European School of Haematology  www.esh.org

American Society of Haematology Educational session  www.hematology.org

British Society of Histocompatibility and Immunogenetics

European Federation of Immunogenetics