Concerning the (second aspect)
With regard to the (second aspect)
Be careful about the 'as for the' construction. It is most often used when you are about to refute or dismiss some claim or contention.
"As for the claims that these military plans are driven by genuine concern over the threat of terrorist attacks, these are belied by the actual conduct of the American ruling elite since 9/11."
"As for the IOC, it failed to withdraw its approval even when told the tour would climax in the former Tibetan capital of Lhasa. ..."