The phrase 'has created concern' is correct and usable in written English.
You can use it to describe an event or situation that has caused people to worry. For example: The recent increase in violent crime in the neighborhood has created concern among the residents.
The latest delay, has created concern among Pentagon officials.
His imminent departure from the panel has created concern among victims' family groups, because Mr. Cleland has been one of the commission's most outspoken members and has joined with advocates for the families in their criticism of the Bush administration.
Post World War II suburban growth in Canada and the US has created concern over the long-term availability of farmland to meet food production needs.
The small-scale spatial variability of air pollution observed in urban areas has created concern about the representativeness of measurements used in exposure studies.
The presence of these products, designed to modulate human physiology and behaviour, has created concern over whether PhACs similarly affect aquatic organisms.
The affair's cross-border dimension has created concern among European public health officials and has triggered a debate about the need for firmer biosafety rules within the European Union, says one public health scientist familiar with those discussions.
The use of the flag has created concerns from Chinese authorities and request from Leung to stop flying the flag.
As detailed in a recent Foreign Policy article, this delay has created concerns about the new administration's ability to swiftly and effectively address the country's many challenges.
The possibility of transferring these benefits to PET-CT has created concerns about possible artefacts resulting from errors in CT attenuation correction.
