Corresponding author:

Dr. M. S. Sandrin

Molecular Immunogenetics Laboratory
Austin Research Institute
Austin & Repatriation Medical Center
Heidelberg Vic. 3084
Australia

Tel #: 61-3-92870666
Fax #: 61-3-92870600

Email: M. S. Sandrin: ms_sandrin@muwayf.unimelb.edu.au

Other authors:

N. Osman: n_osman@muwayf.unimelb.edu.au

I. F. C. McKenzie: ifc_mckenzie@muwayf.unimelb.edu.au