The Editor and reviewer(s) in charge of this Open Review paper have deemed a Commentary unnecessary.

Papers in Physics publishes Commentaries from the reviewer(s) if major disagreements remain after exchange with the authors or if a different insight proposed is considered valuable for the readers. ';

Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 License.

Papers in Physics. All content is licensed under the Creative Commons Attribution 3.0 Licence.