Review board approves Advocate Aurora, Atrium merger proposal Ryan Voyles 2 years ago Advocate Aurora Health hopes to close its merger with North Carolina-based Atrium Health by the end of the year after receiving approval from a state review board on Monday.To access this content, you must purchase 1 Year Health News Illinois Subscription or 1 Year Group Subscription - Up to 5 Users, or log in if you are a member.