Putcha, Nirupama; Paul, Gabriel G.; Azar, Antoine; Wise, Robert A.; O’Neal, Wanda K.; Dransfield, Mark T.; Woodruff, Prescott G.; Curtis, Jeffrey L.; Comellas, Alejandro; Drummond, M. Bradley; Lambert, Allison A.; Paulin, Laura M.; Fawzy, Ashraf; Kanner, Richard E.; Paine III, Robert; Han, MeiLan K.; Martinez, Fernando J.; Bowler, Russell P.; Barr, R. Graham; Hansel, Nadia N.; SPIROMICS Investigators