Tag Team / Interfere

[Fuz]

So, I may be blind but I can't find where to rebind those keys. And since I'm using a QWERTY italian keyboard it's really hard for me in arena. I have to use ALT and manually click the buttons... you may imagine how this turns out.
Does anyone know how can I rebind them?

(Btw, the post is not on the PVP section because it isn't related to the actual matches or gameplay)