1. Institut für Klinische Chemie und Pathobiochemie Klinikum, München, Germany
2. Dartmouth-Hitchcock Medical Center, Lebanon, NH
3. Geisel School of Medicine at Dartmouth, Hanover, NH
4. Laboratory Corporation of America Holdings, Elon, NC
5. National University Hospital, Singapore
6. The Netherlands Cancer Institute, Amsterdam, the Netherlands
7. Huvaros, the Netherlands
8. RCPA Quality Assurance Programs, St Leonards, Sydney, Australia