earlier this months i sent to my co-authors the following remain "NAME_1,

I hope this email finds you both well. I wanted to share with you the final version of our paper. I believe that the revised draft I'm sending you now addresses all the issues you raised/gave me earlier this year.
I look forward to hearing your thoughts on the updated draft!

Thanks again for all your help with this project.
----------------------------
NAME_2"
and i still didn't receive any  feedback. I want to followup 