Reviewer’s report
Title:  The Endometriosis Impact Questionnaire (EIQ): a tool to measure the long-term impact of  
endometriosis on different aspects of women's lives
Version: 1 Date: 15 Nov 2018
Reviewer: Reviewer 2
Reviewer's report:
"REVISION ASSESSMENT FROM THE ACADEMIC PEER REVIEWER: 
Has  the  author  addressed  your  concerns  sufficiently  for  you  to  now  recommend  the  work  as  a  
technically sound contribution? Yes
Reviewer comments: Authors have addressed all my comments and improved significantly the quality  
of the manuscript. Despite several limitations, which were fairly highlighted in the discussion, the  
article is of high quality and could add a significant piece of evidence to the current management of  
endometriosis. I have no further concerns."
Are the methods appropriate and well described?
If not, please specify what is required in your comments to the authors.
Yes
Does the work include the necessary controls?
If not, please specify which controls are required in your comments to the authors.
Yes
Are the conclusions drawn adequately supported by the data shown?
If not, please explain in your comments to the authors.
Yes
Are you able to assess any statistics in the manuscript or would you recommend an additional  
statistical review?
If  an  additional  statistical  review  is  recommended,  please  specify  what  aspects  require  further  
assessment in your comments to the editors.
Not relevant to this manuscript
Quality of written English
Please indicate the quality of language in the manuscript:
Acceptable
Declaration of competing interests
Please complete a declaration of competing interests, considering the following questions:
1. Have you in the past five years received reimbursements, fees, funding, or salary from an  
organisation  that  may  in  any  way  gain  or  lose  financially  from  the  publication  of  this  
manuscript, either now or in the future?
2. Do you hold any stocks or shares in an organisation that may in any way gain or lose financially  
from the publication of this manuscript, either now or in the future?
3. Do  you  hold  or are  you  currently applying  for  any patents  relating  to  the  content  of  the  
manuscript?
4. Have you received reimbursements, fees, funding, or salary from an organization that holds or  
has applied for patents relating to the content of the manuscript?
5. Do you have any other financial competing interests?
6. Do you have any non-financial competing interests in relation to this paper?
If you can answer no to all of the above, write 'I declare that I have no competing interests' below. If  
your reply is yes to any, please give details below.
This reviewer has been recruited by a partner organization, Research Square. Reviewers with declared  
or  apparent  competing  interests  are  not  utilized  for  these  reviews.  This  reviewer  has  agreed  to  
publication of their comments online under a Creative Commons Attribution License attributed to  
Research Square and was paid a small honorarium for completing the review  within a specified  
timeframe. Honoraria for reviews such as this are paid regardless of the reviewer recommendation.
I agree to the open peer review policy of the journal. I understand that my name will be included on my  
report to the authors and, if the manuscript is accepted for publication, my named report including any 
attachments I upload will be posted on the website along with the authors' responses. I agree for my 
report to be made available under an Open Access Creative Commons CC-BY license 
(http://creativecommons.org/licenses/by/4.0/ ). I understand that any comments which I do not wish to 
be included in my named report can be included as confidential comments to the editors, which will not  
be published.
I agree to the open peer review policy of the journal