Table 2.

Themes of factors operating as facilitators

Theme	Description
Clinical staff
Dedicated OVT clinicians	Services with a select group of clinicians dedicated to engaging in OVT [19, 22]
Experience with OVT	Clinicians with prior experience using OVT [17, 19, 22]
Motivation	Clinicians that were motivated to engage in OVT [17]
Training	Clinicians that had received OVT training prior to implementation [22, 23, 37]
Other staff
OVT champions	Services with dedicated staff championing the OVT modality [18, 19, 22, 23, 25, 38]
Telehealth coordinators	Services with dedicated telehealth coordinators responsible for overseeing implementation of the modality [23, 38]
Telehealth technician	Services with dedicated telehealth IT specialists to oversee the implementation of software and hardware [19, 36]
Stable personnel	Services with low attrition of staff [19, 23, 37]
Leadership support	Services with leadership that prioritise the need of OVT and facilitate implementation [23, 38]
External facilitators	Services that employ external groups to oversee OVT implementation [23]
Technology
Ease of use	OVT software that is easy to use [18]
Implementation strategy
Tailored approach	Strategies that are tailored to each individual service provider [23, 38]
Pilot site	Services that take a stepped approach to implementation, commencing at a single pilot site [25]
Standardised procedures	Services that standardise implementation procedures [17]