1. Department of Dermatology University of California San Francisco (UCSF) San Francisco CA USA
2. Ottawa Hospital Research Institute Ottawa Canada
3. London School of Hygiene and Tropical Medicine London UK
4. Icahn School of Medicine at Mount Sinai New York NY USA
5. Newcastle University Newcastle upon Tyne UK
6. Royal Victoria Infirmary Newcastle upon Tyne UK
7. Northwestern University Feinberg School of Medicine Chicago IL USA
8. University of Dundee Dundee UK
9. Ninewells Hospital and Medical School Dundee UK