James G Kahn*, Brian Harris, Jonathan H Mermin, Thomas Clasen, Eric Lugada, Mark Grabowksy, Mikkel Vestergaard Frandsen and Navneet Garg
* Corresponding author: James G Kahn jgkahn@ucsf.edu
BMC Health Services Research 2011, 11:346 doi:10.1186/1472-6963-11-346