Table 1.

Description of Studies

Study	Site Description	Interaction Type
TM1/001: Telepsychiatry	Real-time link between family practice and hospital department.	Concurrent dyadic interaction: patient and doctor.
TM1/002: Teleinternal medicine	Real-time link between two hospital centers.	Concurrent triadic interaction: patient, resident, consultant physician.
TM1/003 Teledermatology	Store and forward link between family practice and hospital department.	Extended triadic interaction: patient, specialist nurse, consultant physician.
VOP Large multispecialty trial	Real-time link between family practice and hospital department.	Concurrent triadic interaction: patient, family practitioner, consultant physician.
TM2/001 Anonymous	Store and forward link between family practice and hospital department.	Extended triadic interaction: patient, specialist nurse, consultant physician.
TM2/002 Anonymous	Store and forward link between family practice and hospital department.	Extended triadic interaction: patient, family practitioner, consultant physician.
TM2/003 Anonymous	Real-time link between patient's home and two hospital centers.	Concurrent dyadic interaction: patient and specialist nurse.
TM2/004 Anonymous	Real-time link between hospital departments and tertiary referral center.	Concurrent multiprofessional interaction: patient, secondary care clinicians, tertiary care specialists.
TM2/005 Anonymous	Real-time link between hospital department and tertiary referral center.	Concurrent clinical videoconferencing.
TM2/006 Anonymous	Real-time link between patient's home and hospital department.	Concurrent dyadic interaction: patients, hospital-based specialists.
TM2/007 Anonymous	Real-time link between family practice and hospital department.	Concurrent triadic interaction: patients, specialist nurses, and physicians.

Note: participants in TM2 were promised anonymity.