Vitali´s trainer Fritz Sdunek said that he´s already working on a training concept which should let Vitali to physological burdens to stand in sparring...than they (Szdunek and Klitschko) will see if he´s ready to do it again.
Both Klitschko´s still planning to share all 4 major belts at heavyweight.

source: German newspaper "Westdeutsche Zeitung"