Table 5.

Role of mobile communication in eHealth.

S. number	Area	Mobile communication in eHealth
		2004–2008	2009–2014
		Ref. number	Ref. number
1	Benefits, challenges, and opportunities of mobiles	[101–103]	[104–119]
2	Treatment of chronic diseases	[120, 121]	[75, 122–132]
3	Mobile and Internet	[11, 133]	[75]
4	Improvements proposed over the existing mobile communication based system	[134–137]	[108, 118, 138–146]
5	Case study		[147–151]
6	Security	[152]	[153, 154]