Translate the following English sentence to French:
"That was very hurtful because, unfortunately, the activists, comprising pro-Europeans from my own country and a large number of anti-Europeans, had left by the time the roll-call vote was held."
Cette attitude m' a profondément blessée, car, lors du vote par appel nominal, les initiateurs, les pro-européens de mon propre pays, mais également un grand nombre d' anti-européens n' étaient malheureusement plus présents.