“…EQ-5D population health studies have been performed mostly in Europe (Burström, Johannesson, & Diderichsen, 2001;Kind, Dolan, Gudex, & Williams, 1998;König et al, 2009;Sorensen, Davidsen, Gudex, Pedersen, & Bronnum-Hansen, 2009;Szende & Williams, 2004), USA (Fryback, Dunham, Palta, Hanmer, Buechner, & Cherepanov, 2007;Lubetkin, Jia, Franks, & Gold, 2005;Luo, Johnson, Shaw, Feeny, & Coons, 2005), Canada (Leung, Luo, So, & Quan, 2007) and Asia (Kil, Lee, Yun, An, & Jo, 2008;Shafie, Hassali, & Liau, 2010;Ting, Tarn, Ching, Liou, Shaw, & Chiou, 2007;Tsuchiya, & et al, 2002), including China (Sun et al, 2010;Wang, David, Mullahy, & Mullahy, 2005). Studies among other Chinese populations have also been performed in Singapore (Luo, Chew, Fong, Koh, Ng, & Yoon, 2003), the USA (Lubetkin et al, 2007;Luo et al, 2005) and Canada (Leung et al, 2007).…”