[1] Univ Edinburgh, Ctr Cardiovasc Sci, Edinburgh EH16 4SU, Midlothian, Scotland
[2] Umea Univ, Dept Resp Med & Allergy, Umea, Sweden
[3] Univ Edinburgh, Ctr Inflammat Res, Wellcome Trust Clin Res Facil, Edinburgh, Midlothian, Scotland
[4] Univ Edinburgh, Ctr Inflammat Res, ELEGI Colt Lab, Edinburgh, Midlothian, Scotland