We especially appreciate the reviewer's patience and many helpful suggestions.

Zhang-Yu Nie

Thank you for the quick and efficient review process.

Tim Scanlon

Thank you for accepting the paper. Thanks also to the Associate Editor and the referee for their speedy and helpful comments during the review process. I will definitely keep EPJC in mind for future contributions.

Ravi Kuchimanchi

The author would like to thank two anonymous referees for pointing out several shortcomings in a previous version of this paper and for suggestions to improve its clarity.

J. H. Field

We feel that the inputs from the reviewing process have been very enriching and have significantly improved the quality of our discussion.
Best regards.

Anant

We highly appreciate the review process of our paper in EJP C. The feedback from the referee was very important for us. Undoubtedly we will consider EJP C for future submissions.

Diego Restrepo

I am very grateful for the great professionality and efforts that all the staff of the EJPC makes in order to attend all the necessities of the authors.

Diego Julio Cirilo-Lombardo

Thank you for your prompt and thorough reply. Given the positive experience with the quality and speed of the review process, I will certainly consider EPJ C also for my future papers.

Roberto Onofrio

"I take this opportunity to thank the EPJD editorial office for the rapid and efficient processing of our paper.

Mauro Temporal

It is always a pleasure to review for EPJD.

Miguel Ángel García-March