1. Laboratory for Analytical Chemistry, Faculty of Pharmaceutical Sciences, Gent University, Gent, Belgium
2. Abbott Diagnostics, Dartford, Kent, UK
3. Abbott Diagnostics, Abbott Park, IL
4. Department of Biochemistry, University Hospital of South Manchester, Manchester, UK
5. ARUP Laboratories, Salt Lake City, UT
6. Department of Pathology, University of Utah School of Medicine, Salt Lake City, UT
7. Esoterix Inc., Calabasas Hills, CA
8. Department of Clinical Biochemistry, Old Medical School, Leeds General Infirmary, Leeds, UK
9. Clinical Pathology Core Laboratory, Massachusetts General Hospital, Boston, MA