1Department of Quantitative Health Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
2Division of Pulmonary, Critical Care, Sleep and Occupational Medicine, Department of Medicine, Indiana University, Indianapolis, IN, USA
3Department of Inflammation and Immunity, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
4Respiratory Institute, Cleveland Clinic, Cleveland, OH, USA
5Department of Medicine, University of Arizona, Tucson, AZ, USA
6Department of Biostatistics, Boston University, Boston, MA, USA