Hierarchical Pretraining on Multimodal Electronic Health Records Xiaochen Wang author Junyu Luo author Jiaqi Wang author Ziyi Yin author Suhan Cui author Yuan Zhong author Yaqing Wang author Fenglong Ma author 2023-12 text Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing Houda Bouamor editor Juan Pino editor Kalika Bali editor Association for Computational Linguistics Singapore conference publication wang-etal-2023-hierarchical 10.18653/v1/2023.emnlp-main.171 https://aclanthology.org/2023.emnlp-main.171/ 2023-12 2839 2852