Table 4.

Comparative overview of the HIV/AIDS Center and the Oral Cancer Center, as well as their collaboratories

	HIV/AIDS Center	Oral Cancer Center
Membership	open	closed
Specification of research projects	loose, developmental	predefined
Collaboration emphasis	general, cross-site	individual project group
Need for
instrument sharing	high	none
real-time collaboration	high	low
data sharing	emerged late	high
Central collaboratory support	1 research assistant, 75% of collaboratory PI	1 research assistant, 20% of collaboratory PI
Remote IT support	predefined and dedicated	sporadic
Computing platforms	MS Windows, Macintosh, UNIX	MS Windows, Macintosh