- Correspondence to Dr Basile N Landis, Rhinology-Olfactology Unit, Department of Otorhinolaryngology—Head and Neck Surgery, University Hospitals of Geneva, Rue Gabrielle Perret-Gentil 4, Geneva CH-1211, Switzerland;
- Received August 31, 2015
- Accepted September 6, 2015
- First published September 24, 2015.
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