1. Marsico Lung Institute and Cystic Fibrosis Research Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
2. Research Center of Regeneration Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China
3. Center of Integrative Chemical Biology and Drug Discovery, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, North Carolina
4. Department of Internal Medicine, Touchstone Diabetes Center, University of Texas Southwestern Medical Center, Dallas, Texas; and
5. Pulmonary Research, Cedars Sinai Medical Center, Los Angeles, California