1. Department of Internal Medicine; University of Calabar; Calabar Cross River State Nigeria
2. ECMM Centre of Excellence in Clinical and Laboratory Mycology and Clinical Studies; The National Aspergillosis Centre; Wythenshawe Hospital; Manchester University NHS Foundation Trust; Manchester UK
3. Faculty of Biology, Medicine and Health; The University of Manchester; Manchester UK
4. Manchester Academic Health Science Centre; Education and Research Centre; Wythenshawe Hospital; Manchester University NHS Foundation Trust; Manchester UK