The most significant limitation of integrated initiatives is that an embedded initiative relies heavily on the acceptance and willingness of agency (management and workers) on the one side and peers on the other side to build bridges, collaborations and learn from each other.  Agencies have to give up the concept of the traditional helper-client model as the only way to operate and need to open up to an alternative approach. And the other way round: peer workers may also need to learn to co-operate and deal with an agencies that might have (slightly) different ideas or approaches.