Prices have fallen by about 5 to 10 percent compared to a year earlier in some areas, according to David L. Steinbach, with Europe following a trajectory set in the US.

There is more than 50 million sq. ft. of medical office development currently in the construction pipeline throughout the United States.

The REIT boosted its bid for Duke Realty Corp. to an all-stock offer of $26 billion from $24 billion.