The phrase "among those concerned" is correct and usable in written English.
It can be used to refer to a group of people who are involved or affected by a particular issue or situation.
Example: "The decision was met with mixed reactions among those concerned, highlighting the complexity of the issue."
Alternatives: "among the interested parties" or "among those involved".
There's a rich tradition of superstition among those concerned with plants.
Prominent among those concerned are the 20,600 Canadian Auto Workers union members employed by the Detroit Three.
Among those concerned about the shift in logging has been the chief of the United States Forest Service, Mike Dombeck.
I would like to take this opportunity to respond to some of the questions that frequently arise among those concerned about the current situation.
Charles Enders, president of the Peaks Island Neighborhood Association, is among those concerned about a change in the pace of the island.
Amnesty International is among those concerned that, once again, the chain of command has not been found guilty in an abuse trial.
On the other hand, Mr. Santorum outperformed Mr. Gingrich among social conservatives and among those primarily concerned with abortion.
Mr. Gingrich outperformed Mr. Santorum among fiscal conservatives in New Hampshire and among those primarily concerned with the budget deficit, though both candidates lost to Romney among both these groups.
The major conflict situations leading to aggression among animals, especially those concerning access of males to females and control of a territory for feeding and breeding, are usually associated with patterns of dominance.
He was the most popular saint in England for nearly two centuries, having gained fame for the many stories of his greatness, not least among which were those concerning his famed cunning in defeating the Devil.
Mr. Gingrich outperformed Mr. Santorum among fiscal conservatives in New Hampshire and among those primarily concerned with the budget deficit, though both candidates lost to Mr. Romney among both these groups.
