In the published article, the correspondence symbol and correspondence details for the second author, Sushil Kumar Rai, were erroneously omitted. Sushil Kumar Rai has now been included as a corresponding author as intended.
The original version of this article has been updated.
Publisher's note
All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.
Approved by: Frontiers Editorial Office, Frontiers Media SA, Switzerland