Eventually, the machine underwent improvements that enabled it to be used regularly by people whose kidneys had failed irreparably.
Van Gaal has demanded changes to the club's Carrington training ground, saying the complex, which underwent improvements last year, is "too windy".
Since 2012 the system is internally used by the section Chemicals of the German Environment Agency (Umweltbundesamt) and underwent regular improvement updates.
Those areas that underwent marked improvement did so to a similar degree in both sets of hospitals.
Over the preceding 15 years infant and under-five mortality had underwent considerable improvement with a reduction in the rate of approximately 48 and 45percentt respectively.
Mocha's port, capable of berthing only small vessels, underwent construction improvements in the early 1980s.
Sound-on-film, a system that in various guises had enjoyed several periods of popularity, underwent constant improvements in the 1910s and 1920s.
Such systems spread to other fields besides power networks and underwent extensive improvements, culminating in the introduction in 1960 of the so-called interrogation-reply principle, a highly automated arrangement in which the transmitter-receiver facility at the measuring point automatically transmits needed data only on being signalled to do so.
The railway line underwent several improvements over the years to ease the gradient of the line for convenience of manoeuvrability.
Finally, ciglitazone inhibited perivascular and interstitial fibrosis in mice that underwent aortic banding, with concomitant improvement of heart function.
However, 25 participants provided endpoint data, as one participant was transferred from Norrtälje Prison in advance due to improvement and therefore underwent endpoint assessments at study week 46.
