We have received the comments for our project but for EAp2 and EAc1 we would like to clarify or understand where the reviewer is coming from since a comment doesn't seem to make sense to us. Before we submit our last clarifications we wanted to contact him/her but he doesn't seem to be accessible. I have heard before for other companies and other projects that they were able to talk to reviewer but I was wondering if this is common or not.

Thanks much