Challenges in Conducting Sexual Health and Violence Research in Older Adults Beyond the General Data Protection Regulation: A Belgian Case Study - Nobels, Anne; Cismaru-Inescu, Adina; Nisen, Laurent; Hahaut, Bastien; Lemmens, Gilbert M. D.; Vandeviver, Christophe; Keygnaert, Ines (Journal of interpersonal violence, 2022)