Text and Data Mining valid from 2019-06-07
First Online: 7 June 2019
Compliance with Ethical Standards
: We, Salman Hussain, Ambrish Singh, Anwar Habib, Md Sarfaraj Hussain and Abul Kalam Najmi, declare no potential conflict of interest with respect to the research, authorship, funding, and/or publication of this letter.
: This letter does not contain any studies with human participants or animals performed by any of the authors.