Studying PdD / Doctorate in Anterwerp, Belgium

Hello

HELP NEEDED

I am NON EU Citizen. I am considering to do my Phd in belgium.  it is normally takes up to 3 to 4 years. I would like to know the opportunities to extend my visa after finishing my Phd.

and will my study years be counted for permanent residency ?

THanks

sorry i don't work for the Belgian government, ask there.
http://diplomatie.belgium.be/en/service … In_Belgie/