VALCOR: a protocol for the validation of SARS-corona virus-2 assays., Arbyn, M., Dhillon Sharon, Martinelli Marianna, Simoens Cindy, Cuypers Lize, Bode Jannes, Van Ranst Marc, Corbisier Philippe, Bonde Jesper, and Cocuzza Clementina , Arch Public Health, 2022 Mar 29, Volume 80, Issue 1, (2022)