In the author responses, the authors have responded to the comments. However, in many responses it is not clear whether the authors made any changes to the manuscript. Could the authors please provide another response with for each point indicating whether 1) either no change was made to the manuscript or 2) indicate that a change was made and if so in which section and provide a bit more detail on the changes made. This will make it easier to evaluate the responses.

Dear authors:

Thank you very much for clarifying the responses. In many cases the reviewers have asked a question because they could not find the response in the manuscript and it was answered only in the responses. Other readers may have the same questions/comments. As this is a review type paper, could you please try to add responses directly to the manuscript instead of just answering the review. This will allow the readers to find the response without having to read the response to reviews.

Sincerely,
Joanna

Dear authors:

Your manuscript has been accepted for publication in AMT. Thank you for your patience.

Sincerely,
Joanna Joiner