Text and Data Mining valid from 2019-10-07
Received: 14 June 2019
Revised: 15 July 2019
Accepted: 3 September 2019
First Online: 7 October 2019
Compliance with ethical statements
: The authors declare that they have no conflict of interest.
: The trial was ethically approved by the Institute Ethics Committee of Institute of Medical Sciences, Banaras Hindu University, Varanasi, India.
: The trial was registered under Clinical Trials Registry of India (CTRI/2015/04/008819).
: Informed consent was obtained from all individual participants included in the study.