Table 7. Summarized data regarding the age ranges of the subjects in the features studies.

Sample’s Characteristics	Featured Studies	Number of Studies
Comprehensive Sample	[20, 23–24, 27–30, 34, 36–37, 40]	11
Younger Subjects	[18–19, 31–33, 35, 38–39]	8
Bordering the age of 18	[16, 21–22, 25–26, 41]	6
Older Subjects	[42]	1