. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: J Cyst Fibros. 2011 Nov 21;11(2):150–153. doi: 10.1016/j.jcf.2011.10.002
© 2011 European Cystic Fibrosis Society. Published by Elsevier B.V. All rights reserved.