Does the platform matter? Social media and COVID-19 conspiracy theory beliefs in 17 countries. - Yannis Theocharis; Ana Sofia Cardenal; Soyeon Jin; Toril Aalberg; David Nicolas Hopmann; Jesper Strömbäck; Laia Castro; Frank Esser; Peter Van Aelst; Claes de Vreese; Nicoleta Corbu; Karolina Koc-Michalska; et al. (New Media Soc., 2023)