The phrase "an additional concern of" is correct and usable in written English.
It can be used when introducing a new issue or topic that adds to the existing concerns being discussed.
Example: "In addition to the budget constraints, an additional concern of the project is the timeline for completion."
Alternatives: "a further issue regarding" or "another point of concern about".
An additional concern of utilizing commercial operations is the possibility that individual farms may have more than one bulk tank.
An additional concern of using the ITT is the dependence of the calculated VA on the size of the resting twitch.
An additional concern of the patient and his family was the number of days of school missed, not only due to emesis, which started on the afternoon on day 8, but also because of the considerable sedation he experienced from the regimen of metoclopramide and lorazepam he had used on days 6 7, which left him able to function only minimally at school.
"We'll have one less major firm, and that is an additional concern on top of everything else".
The astronauts, whose task it is to repair a critical cooling system necessary for keeping the outpost fully powered, have an additional concern to the "normal" challenges of a quickly-planned extra-vehicular activity (EVA, or spacewalk).
What preterm birth research may add to the ethical considerations is an additional concern for the expectations and experience of participants.
Some voters here had an additional concern: children of families not affluent enough to afford home computers might suffer academically.
But some in Albany suspect that Mr. Cuomo might have an additional concern: the political future of his son, Andrew M. Cuomo, the attorney general of New York.
Mr. Smith said an additional concern was Chinese domination of rare earth elements.
He and Powers raised an additional concern: that the devaluation of any university research that doesn't have an imminent payoff or attract outside sponsorship could put the country at a global disadvantage down the line.
We would like to highlight an additional concern in the treatment of obesity not often considered among obese youth but potentially important to treatment.
