Why isn't Keely Hodgkinson competing in Zurich Diamond League? Reason for absence explained

Keely Hodgkinson, the British 800m runner, was scheduled to compete at the Zurich Diamond League meet but has announced she will be absent from the event. The specific reason for her withdrawal has been explained, though the excerpt does not detail the cause. Hodgkinson is a prominent figure in middle-distance running, making her absence from the prestigious Diamond League final notable.