Table 1 Economic evaluation studies by region

Morrell et al. 2006 (United Kingdom)

Gowani et al. 2014 [21] (Pakistan)

Tozan, 2010 [14] (Tanzania)

Pugh et al. 2002 [29] (USA)

Barzgar et al. 1997 [20] (Pakistan)

Gonzalez, 2000 [13] (Tanzania)

Frick et al. 2012 [28] (USA)

Hafeez et al. 2011 [22] (Pakistan)

Conteh et al. 2010 [15] (Ghana)

Margellos-Anast, 2012 [30] (USA)

Borghi, 2005 [23] (Nepal)

Nonvignon et al. 2013 (Ghana)

Puett et al. 2013 [24] (Bangladesh)

Desmond et al. 2008 [17] (South Africa)

San Sebastian et al. 2001 [25] (Ecuador)

Pagnoni et al. 1997 [18] (Burkina Faso)

Aracena et al. 2009 [26] (Chile)

Chola, 2011 [19] (Uganda)

Melville et al. 1995 (Jamaica) [27]