Juventus star was accused of sexually assaulting Kathryn Mayorga in a Las Vegas hotel in June 2009.
The former Australia captain enjoyed a remarkable series in England, scoring a total of 774 runs in just seven innings and played a pivotal role in his side's two victories in the drawn series.
The 34-year-old broke his neck, femur, elbow, hip and ribs when he crashed before stage four of the Criterium du Dauphine in France in June.
Qatar will host the 2019 IAAF Doha World Athletics Championships from September 27 to October 6.
Adel’s team finished third in their category at the 27th edition of the gruelling race.
The final was delayed for six hours and then interrupted twice by heavy rain in central China, before finally taking place under floodlights.