Then their cases were followed over seven and a half years.

The study followed more than 2,500 students from 10 to 14 over two years.

Other areas will follow over a period of about two days.

The rest of the country will follow over the next three years.

You, in fact, have been following her all over the city.

The study followed the health of its participants over five years.

Their most successful period followed over the next five years.

We've just been following our quiet country ways over the years.

A further £13 million investment followed over the next 5 years.

Four other members of the board followed suit over the next month.