Advocate, NorthShore and University of Chicago team up on pediatrics Tim Stumm 6 years ago Advocate Children’s Hospital, NorthShore University HealthSystem and the University of Chicago Medicine Comer Children’s Hospital are teaming up on pediatric care.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.