1) Denmark aimed to create common processes and data structures across 13 municipalities and multiple medical vendors from 2002-2007, but faced issues with too many concurrent users and high data transmission. 2) From 2007-2012, Denmark established a shared medication record and common database to address prior issues. 3) The document discusses various roles that medical intermediaries can play, including consumer/professional content aggregation, patient management, records management, physician career services, and more. It also covers intermediation theory and the challenges in Europe.