https://ec.europa.eu/transparency/documents-register/detail?ref=C(2022)6536&lang=en
https://www.ips-journal.eu/index.php?id=344&L=0&tx_news_pi1%5Bnews%5D=4430&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Baction%5D=detail&utm_source=newsletter&utm_medium=email&utm_campaign=en_794_20200616&cHash=d767a2f2f493c6b8987eb06cc69ba4cd
https://www.brookings.edu/techstream/inaccurate-and-insecure-why-contact-tracing-apps-could-be-a-disaster/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=87470595
http://www.europarl.europa.eu/sides/getDoc.do?pubRef=-%2f%2fEP%2f%2fNONSGML%2bCOMPARL%2bPE-627.625%2b01%2bDOC%2bPDF%2bV0%2f%2fEN