Elisa L Pehlke, Paola Letona, Kristen Hurley, Joel Gittelsohn
Guatemalan school food environment: impact on schoolchildren's risk of both undernutrition and overweight/obesity
Health promotion international
since formal inception 19641965 kohnsham densityfunctional theory ksdft become popular electronic structure method computational physics chemistry popularity stems beautifully simple conceptual framework computational elegance rise ksdft chemical physics began earnest mid 1980s crucial developments exchangecorrelation term gave theory predictive power competitive welldeveloped wavefunction methods today ksdft finds increasing pressure deliver higher higher accuracy adapt ever challenging problems mindful however pressures may submerge theory wavefunction sea ksdft might lost hopeful kohnsham philosophical theoretical computational framework preserved perspective outlines history basic concepts present status ksdft chemical physics offers suggestions future development