1. Nell Hodgson Woodruff School of Nursing, Emory University, Atlanta, Georgia;
2. Department Pediatrics, School of Medicine, Emory University, Atlanta, Georgia;
3. Department of Computer Science, School of Electronics and Information Engineering, Tongji University, Shanghai, China
4. Center for Cystic Fibrosis and Airways Disease Research at Children's Healthcare of Atlanta Hospital, Atlanta, Georgia; and