He uses an improbable combination of green algae, blue lasers, gene therapy and fiber optics to map neural circuits deep inside the brain with a precision that has never been possible before.

FORBES: Magazine Article

But the London-based watchdog said it now accepted there was sufficient benefit to justify a green light for the worst-affected patients, on condition that those receiving the one-off therapy continued to be followed.

MSN: European regulators back first gene therapy drug