Hospital Ethics Committees: Coordinating across Institutions

I was pleased to read that these two New York hospitals coordinate some of their ethics committee activities.  The ethics committees of St. Elizabeth Medical Center and Faxton St. Luke’s Healthcare "meet jointly every month to discuss ethical issues, which are similar at both hospitals."  



I am looking for more examples of multi-institutional ethics committees.  I want to bolster my argument that this is the best way to balance responsiveness and fairness for issues like decision making for the unbefriended and adjudicating end-of-life conflicts.