Table 1.

Types of interventions delivery

Intervention delivery	Included	Excluded
Videoconference	Participants can see and interact with each other in a synchronous way (e.g., skype)	Asynchronous, one-way messages, peer-led intervention, or one-on-one communication
Telephone conference	The intervention includes synchronous, live interaction between participants and facilitators	Asynchronous, one-way messages, peer-led intervention, or one-on-one communication
Text messages	Group text messaging	Asynchronous, one-way messages, peer-led intervention, or one-on-one communication
Mobile applications (apps)	The intervention app involves synchronous, live group communication	Asynchronous, one-way messages, peer-led intervention, or one-on-one communication
Virtual social networks (e.g., Facebook)	The intervention includes a synchronous group chat with live exchange between facilitator and participants	Asynchronous, one-way messages, peer-led intervention, or one-on-one communication
Websites and online communities	The intervention includes a synchronous group forum or chat with live exchange between facilitator and participants	Asynchronous, one-way messages, peer-led intervention, or one-on-one communication