ENT residents in France (Auvergne-Rhône-Alpes, Grand Est, Ile de France, Nouvelle Aquitaine and Provence-Alpes-Côte d'Azur regions) during the period from November 2019 to May 2021.
Informed of the objectives of the research and not objecting to the processing of their data
You may not be if
\- Subjects in research year, on availability, or in off-track training
