In this cross-sectional study, a stratified random sampling method (figure 1) was used to select 3000 participants from the population of Koriyama City, Fukushima Prefecture, Japan, using the Japanese ...

Importance sampling methods are extensively used in time-independent reliability analysis. However, the kind of methods is barely studied in the field of time-variant reliability analysis. This ...

Although the direct sampling method (DSM) has demonstrated its feasibility and robustness for imaging of small inhomogeneities, mathematical analyses of DSM have been conducted only on the ...