“…Negative: Gugerty andKremer, 2008. 18 Positive: Caro, Pangare and Manfre, 2013;Deininger and Liu, 2009;Dongre, Deshmuk and Garg, 2007;Greaney et al, 2013;Hargreaves et al, 2010;Holvoet, 2005;Kaganzi et al, 2009;Molyneux et al, 2007;Saha, Annear and Pathak, 2013;Sinha et al, 2006;Swain et al, 2009;Swain, 2012. Mixed: Reddy and Manak, 2013.…”