Measuring Affective State: Subject-Dependent and -Independent Prediction Based on Longitudinal Multimodal Sensing. - Lea Berkemeier; Wim Kamphuis; Anne-Marie Brouwer; Herman J. de Vries; Maarten Schadd; Jan Ubbo van Baardewijk; Hilbrand Oldenhuis; Rudolf Verdaasdonk; Lisette van Gemert-Pijnen (IEEE Trans. Affect. Comput., 2025)