1. IFCC SARS-CoV-2 Variants Working Group , Verona , Italy
2. Department of Laboratory Medicine , Clinique St-Luc Bouge , Namur , Belgium
3. Department of Pharmacy , Namur Research Institute for Lifes Sciences, University of Namur , Namur , Belgium
4. Qualiblood s.a. , Namur , Belgium
5. Clinical Laboratory, Division of Nephrology and Hypertension, Cincinnati Children’s Hospital Medical Center , Cincinnati , OH , USA
6. Section of Clinical Biochemistry and School of Medicine, University of Verona , Verona , Italy
7. Department of Laboratory Medicine , University-Hospital of Padova , Padova , Italy