Comparing the sustainability of influenza-like illness monitoring in a questionnaire-based and a code-based data collection method in Belgian general practices: protocol and preliminary results, Nahimana, Mélanie, Bossuyt Nathalie, Rouvez Floriane, Bensemmane Sherihane, and De Schreye Robrecht , EFPC 2024 Conference, Ljubljana, Slovenia, 15-17 September 2024, 09/2024, Volume https://euprimarycare.org/wp-content/uploads/2024/09/LJUBLJANA-CONFERENCE-2024.pdf, Issue EFPC, Number 113, Ljubljana, Slovenia, (2024)