Opron K, Begley LA, Erb-Downward JR, Li G, Alexis NE, Barjaktarevic I, Barr RG, Bleecker ER, Boucher R, Bowler RP, Christenson SA, Comellas AP, Criner G, Cooper CB, Couper D, Galban CJ, Han MK, Hastie A, Hatt C, Hoffman EA, Kaner RJ, Kesimer M, Krishnan JA, LaFon DC, Martinez FJ, Ortega VE, Peters SP, Paine Iii R, Putcha N, Woodruff PG, Huffnagle GB, Kozik AJ, Curtis JL, Huang YJ, SPIROMICS Investigators