Translate the following English sentence to French:
"I would, by the way, like to congratulate all Members who are still present on their perseverance and I would also like to extend warm thanks to the staff who are still present for their prolonged efforts."
Je félicite en outre tous les députés présents de leur persévérance et je remercie vivement les collaborateurs qui sont encore parmi nous pour les efforts soutenus qu'ils ont fournis.