Comparative Practice Study (Qualitative) This study will explore how factors related to the technology, patients, providers and organizational structures and processes influence the adoption and implementation of THC across selected sites (including micro-, meso- and macro-systems) in Ontario. Ethnographic study, in-depth semi-structured interviews and documentation collection and review will be employed to explore, among other factors, the behaviours, communication patterns, workflows and tasks of health care providers and their interaction with patients. Interviewees will be selected using purposive sampling.