The company said it couldn't confirm that amount, and that a dose of the drug varies depending on such factors as a patient's weight and severity of bleeding.

WSJ: Hemophilia Drug's Off-Label Use Is Faulted

It takes a master's degree from one of the country's 272 accredited programs as well as licensing that varies by state.

FORBES: 7. Speech-Language Pathologist

If you look within the U.S. health spending per capita, it varies among regions as much as health spending per capita among nations in the OECD.

FORBES: Uwe Reinhardt