US: $VBK(VBK)$ 
China: $中国小型股指数ETF-Guggenheim(HAO)$ 
Japan: $日本小型股股利指数ETF-WisdomTree(DFJ)$  $SCJ(SCJ)$ 
Europe: $DFE(DFE)$  (United Kingdom 24.84% Sweden 14.97% Italy 12.26% Germany 10.44% Switzerland 8.16%)
Developed markets (mostly EAFE): $SCZ(SCZ)$  $DLS(DLS)$ 
All-World ex-US:
$VSS(VSS)$  (United Kingdom 17.7% Canada 12.8% Japan 11.8% Taiwan 6.3% Australia 4.4% Germany 4.4%)
Emerging markets:
$DGS(DGS)$  (Taiwan 26.73% South Korea 10.12% Malaysia 9.67% South Africa 9.31% Thailand 8.18%)
$EWX(EWX)$  (Taiwan 29.76% China 15.73% South Africa 9.43% India 8.83% Brazil 7.09%)