1. Dept. of Pathology & Lab. Medicine, The Ottawa Hospital University of Ottawa, Ottawa, ON, Canada
2. Janssen Research and Development, Spring House, PA
3. BARC, a division of CERBA European Lab, Ghent, Belgium
4. Janssen Research and Development, Beerse, Belgium
5. Janssen Research and Development, Raritan, NJ
6. Vejle Hospital and University of Southern Denmark, Vejle, Denmark