[1] Kentucky Pediat Res Inc, Bardsrown, KY 40004 USA
[2] Childrens Hosp Pittsburgh, Pittsburgh, PA 15213 USA
[3] Scottsdale Pediat Ctr PSC, Scottsdale, AZ USA
[4] Elmwood Pediat Grp, Rochester, NY USA
[5] Weston Pediat Phys PC, Weston, MA USA
[6] MDI Instruments Inc, Woburn, MA USA
[7] Capital Management Consulting Inc, Cambridge, MA USA