External Collaboration. Dr Ann Hopkins, Royal College of Surgeons in Ireland, Beaumont Hospital, Dublin.Dr Leif Ericsson, Department of Chemistry and Molecular Biology, University of
Gothenburg, 405 30, G�teborg, Sweden.Prof. Martin Scobie,�Science for Life Laboratory, Division of Translational Medicine and
Chemical Biology, Department of Medical Biochemistry and Biophysics,
Karolinska Institute, Stockholm, Sweden.���