| Investor Name | Invest Money | Lead Investor | Propotion |
|---|
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| Jun 4, 2003 | Series A | $ 5M | Advanced Technology Ventures,MPM Capital | Detail |
| Sep 11, 2004 | Series B | $ 12M | Advanced Technology Ventures,Foundation Medical Partners,etc. | Detail |