Muthannan Andavar Ramakrishnan, Division of Virology, Indian Veterinary Research Institute, Uttarakhand 263138, India
Author contributions: Ramakrishnan MA designed, validated the assay and wrote the letter.
Conflict-of-interest statement: None.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Muthannan Andavar Ramakrishnan, Senior Scientist, Division of Virology, Indian Veterinary Research Institute, Mukteswar Campus, Uttarakhand 263138, India. email@example.com
Telephone: +91-5942-286346 Fax: +91-5942-286347
Received: January 7, 2016
Peer-review started: January 10, 2016
First decision: March 1, 2016
Revised: March 2, 2016
Accepted: March 17, 2016
Article in press: March 19, 2016
Published online: May 12, 2016