1. Allergy UK.Statistics and figures. Allergy prevalence: useful facts and figures. Available at:https://www.allergyuk.org/about‐allergy/statistics‐and‐figures/(accessed 18 April 2021).
2. Harmonization of accreditation to ISO15189;Thelen MHM;Clin Chem Lab Med,2018
3. Accreditation process in European countries – an EFLM survey
4. UK Government. Self‐declare as a private COVID‐19 testing provider. Available at:https://www.gov.uk/guidance/self‐declare‐as‐a‐private‐sector‐covid‐19‐testing‐provider(accessed 8 October 2021).
5. SISTRIX.Why (almost) everything you knew about Google CTR is no longer valid.2020. Available at:https://www.sistrix.com/blog/why‐almost‐everything‐you‐knew‐about‐google‐ctr‐is‐no‐longer‐valid(accessed 21 September 2021).