Table 2.

Interventions observed in the literature (N=22).

Intervention	Studies (references)	Frequency, n (%)
Mobile health	[18,19,23-25,29,31,36]	11 (50)
Electronic health	[17,20,26,37]	6 (27)
Telephone	[22,35,38]	3 (14)
2-way video	[21,30]	2 (9)