TY - GEN AU - van der Vaart,Rosalie AU - van Driel,Dorine AU - Pronk,Kristel AU - Paulussen,Suzan AU - Te Boekhorst,Selma AU - Rosmalen,Judith G M AU - Evers,Andrea W M TI - The Role of Age, Education, and Digital Health Literacy in the Usability of Internet-Based Cognitive Behavioral Therapy for Chronic Pain: Mixed Methods Study SN - 2561-326X PY - 2019/// PB - JMIR formative research N1 - Publication Type: Journal Article UR - https://doi.org/10.2196/12883 ER -