Table 2.

An overview of who the publication authors were, the year the publication was published and where the publication was published.

Reference No.	Publication Authors	Year Published	Country Where Published
[36]	Veredas FJ, Luque-Baena RM, Martín-Santos FJ, Morilla-Herrera JC, Morente L	2015	Spain
[37]	Forsberg JA, Potter BK, Wagner MB, Vickers A, Dente CJ, Kirk AD, Elster EA	2015	US
[38]	Mukhejerjee R, Manohar DD, Das DK, Achar A, Mitra A, Chakraborty C	2014	India
[39]	Veredas F, Mesa H, Morente L	2010	Spain