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. 2022 Jul 11;231(18-20):3577–3589. doi: 10.1140/epjs/s11734-022-00617-3

Table 4.

Number of test cases

Date 01.22.2020 02.21.2020 03.12.2020 04.21.2020 05.21.2020 06.26.2020 10.06.2020
to to to to to to to
02.20.2020 03.11.2020 04.20.2020 05.20.2020 06.25.2020 10.05.2020 12.03.2020
Number of tests 50-2000 2000–18,000 4000–12,000 3000–14,000 5000–18,000 4000–23,000 5000–22,000
Range 50-2000 2000–18,000 4000–12,000 3000–10,000 5000–18,000 4000–23,000 5000–22,000