title: lung microbiome from sputum for R30_123_2.12_Recovery
design: DNA sequencing of 16S rRNA V3-V5 region using primers 517F (5’-GCCAGCAGCCGCGGTAA-3’) and the reverse primer (5’-CTTGTGCGGGYCCCCGTCAAT-3’) with barcode AGACTATACT for subject 123 at a Recovery visit on 10_22_08