About the Authors
The Royal Veterinary College, Department of Comparative Biomedical Sciences, London, United Kingdom
Division of Pulmonary Medicine, Department of Biochemistry and Molecular Biology, Mayo Clinic Arizona, Scottsdale, Arizona, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: ETC RAL. Performed the experiments: ETC KAT AYNC SB ACJ RAL. Analyzed the data: ETC KAT SB ACJ RAL. Contributed reagents/materials/analysis tools: JJL RAL. Wrote the paper: ETC RAL.