the highest density of pet scanners is per million populationin denmark followed by the netherlands and japan italy japan korea and the united states have aboveaverage densities for all these devices in addition greece has high densities of diagnostic equipment except for pet scanners and switzerland also has a relatively large volume of diagnostic equipment although data are not available for mri scanners on the other hand the central and eastern european countries ie the czech republic hungary poland the slovak republic and slovenia and turkey have low densities of diagnostic equipment