title: lung microbiome from sputum for 41A_12_5_Stable
design: DNA sequencing of 16S rRNA V3-V5 region using primers 517F (5’-GCCAGCAGCCGCGGTAA-3’) and the reverse primer (5’-CTTGTGCGGGYCCCCGTCAAT-3’) with barcode CGTAGACTAG for subject 12 at a Stable visit on 09_03_08