1. Department of Otolaryngology Guy's and St Thomas Hospital London UK
2. Humanitas Clinical and Research Center – IRCCS Rozzano Italy
3. Department of Biomedical Sciences Humanitas University Milan Italy
4. Department of Neurosciences Section of Otolaryngology University of Padova Padova Italy
5. University of Cambridge Medical Library Cambridge UK
6. Department of Otolaryngology New Cross Hospital Wolverhampton UK
7. Department of Otolaryngology‐Head and Neck Surgery Giovanni Borea Civil Hospital Sanremo Italy