1. IFCC SARS-CoV-2 Variants Working Group , Verona , Italy
2. IFCC Task Force on COVID-19 , Verona , Italy
3. Section of Clinical Biochemistry and School of Medicine, University of Verona , Verona , Italy
4. Department of Laboratory Medicine , Clinique St-Luc Bouge , Namur , Belgium
5. Department of Biotechnology , Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras , Chennai , India
6. Department of Pathology , University of Texas Southwestern Medical Center , Dallas , TX , USA
7. Department of Medicine-DIMED , University of Padova , Padova , Italy
8. Clinical Laboratory, Division of Nephrology and Hypertension , Cincinnati Children’s Hospital Medical Center , Cincinnati , OH , USA