GastroNet-5M: A Multicenter Dataset for Foundation Model Development in Gastrointestinal Endoscopy - Jong, M; Boers, T; Fockens, K; Jelmer, J; Kusters, C; Jaspers, T; van Eijck van Heslinga, R; Struyvenberg, M; Bisschops, R; Van Der Putten, J; De With, PH N; Van Der Sommen, F; De Groof, J; Bergman, J (Endoscopy, 2025)