1. Roche Diagnostics International Ltd, Rotkreuz, Switzerland
2. Medical Research Institute—Alexandria University, Alexandria, Egypt
3. Alberta Precision Laboratories, Edmonton, Alberta, Canada
4. Department of Clinical Biochemistry, Cliniques Universitaires St-Luc and Université Catholique de Louvain, Brussels, Belgium
5. Siemens Healthineers, Cary, NC, USA
6. Center for Community Medicine, Jichi Medical University, Shimotsuke, Japan
7. Vanderbilt University School of Medicine, Nashville, TN, USA
8. Medical Biochemistry Department, Faculty of Medicine, Ege University, Bornova, İzmir, Turkey
9. Healthcare Division Committee, Comité Français d'accréditation (Cofrac), Paris, France