[1] Univ Liverpool, Ctr Proteome Res, Liverpool, Merseyside, England
[2] Manchester Univ NHS Fdn Trust, Manchester Adult CF Ctr, Manchester, Lancs, England
[3] Univ Manchester, Fac Biol Med & Hlth, Manchester, Lancs, England
[4] Univ Liverpool, Dept Child Hlth, Inst Pk, Liverpool, Merseyside, England
[5] Manchester Univ NHS Fdn Trust, Dept Resp Med, Manchester, Lancs, England