[1] Univ Aberdeen, Inst Med Sci, Aberdeen Fungal Grp, Aberdeen AB25 2ZD, Scotland
[2] Univ Manchester, Manchester M23 9LT, Lancs, England
[3] Univ S Manchester Hosp, Natl Aspergillosis Ctr, Manchester M23 9LT, Lancs, England
[4] Univ Massachusetts, Sch Med, Dept Med, Worcester, MA 01605 USA