1. Department of Ophthalmology and Visual Sciences; University of Iowa; Iowa City; USA
2. Department of Ophthalmology; Royal Prince Alfred Hospital; Sydney; New South Wales
3. Department of Neurology; Dokuz Eylul University; Izmir; Turkey
4. Department of Neurology; Royal Prince Alfred Hospital; Sydney; New South Wales
5. Department of Ophthalmology; Prince of Wales Hospital; Sydney; New South Wales
6. Department of Otolaryngology; Royal Prince Alfred Hospital; Sydney; New South Wales
7. Department of Haematology; Royal Prince Alfred Hospital; Sydney; New South Wales
8. Department of Microbiology; Royal Prince Alfred Hospital; Sydney; New South Wales
9. Department of Radiology; Royal Prince Alfred Hospital; Sydney; New South Wales
10. Department of Pathology; Royal Prince Alfred Hospital; Sydney; New South Wales