title: NextSeq 500 paired end sequencing
design: ancient dental calculus extracted and built into libraries with an in-house protocol optomized for ancient DNA; https://dx.doi.org/10.17504/protocols.io.bidyka7w; https://dx.doi.org/10.17504/protocols.io.bmh6k39e; https://dx.doi.org/10.17504/protocols.io.bvt8n6rw; https://dx.doi.org/10.17504/protocols.io.beqkjduw
library_construction_protocol: Meyer and Kircher (2010) Nucleic Acids Res; https://dx.doi.org/10.17504/protocols.io.bmh6k39e; https://dx.doi.org/10.17504/protocols.io.bvt8n6rw