Table 1.

Typologies of Networks

Network	Our Taxonomy of Network Leadership	SDO Taxonomy of Network Structure	Warwick Analysis of Main Network Aims
A	(Not recognized in taxonomy)	Enclave: has a flat internal structure with no central authority; based on shared commitment	Mobilization: aims to mobilize local practitioners for research
B	Top down: led by a university–health care organization alliance	Hierarchical: has an organizational core and authority to regulate the work of members	Facilitative: aims to facilitate local participation in academic-led research
C	Bottom up: led by 7 research general practices	Individualistic: has a loose association of affiliates developed by an individual or organization	Consolidation: aims to consolidate the competencies of practices
D	Whole system: led by different groups that influenced policy through a cycle of ongoing strategic review	(Not recognized in taxonomy)	Transformational: aims to change relationships throughout the whole system

SDO = the UK Service Development and Organisation.