background: most studies evaluated the vaccine coverage, but the time of vaccination is important as coverage. this study was conducted to evaluate the expanded program of immunization (epi) in outskirt of iranian cities regarding to incidence of delay vaccination among children less than 4 years. methods : this cross sectional descriptive study was conducted among children 24-47 months old, li...

This paper addresses the problem of time-dependent shortest multimodal path in complex and large urban areas. This problem is one of the important and practical problems in several fields such as transportation, and recently attracts the research focus due to developments in new application areas. An adapted evolutionary algorithm, in which chromosomes with variable lengths and particularly def...

With 38% of its population living in cities, Vietnam is the process completing urban transition. The arrival populations from countryside coupled with a spatial sprawl part catching up that country has been doing since liberalization economy at end 1980s. Poles concentration value and are rapidly being formed: metropolises. Vietnamese metropolises, starting capital city-province Hanoi, vehicle ...

We commend Shiffman and colleagues (‘‘Bridging the Guideline Implementation Gap: A Systematic, DocumentCentered Approach to Guideline Implementation’’) for highlighting the challenges of integrating guidelines into clinical practice and proposing pragmatic mechanisms for addressing them. We note, however, that the approach advocated by Shiffman et al., as well as by numerous other groups recent...