ERX4491585 COG-UK/ALDP-97D120/BIRM:20200829_1501_X3_FAO26003_1dfc4413 ERP121228 PRJEB37886 ERS5042198 SAMEA7281599 AMPLICON VIRAL RNA PCR LSK-109 EXP-NBD104 EXP-NBD114|LIGATION GridION artic_primer_version 3 artic_protocol_version v2