"Good Morning America” co-host Robin Roberts on set during a...

"Good Morning America” co-host Robin Roberts on set during a trial run as she prepares to return after extended medical leave. (Jan. 24, 2013) Credit: AP

"Good Morning America” co-anchor Robin Roberts -- off the air nearly five months after a bone-marrow transplant -- will return to the show Feb. 20, she and ABC announced Thursday.

Here's her personal note, just posted:

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