Funding for this research was provided by:
Departament d'Innovació, Universitats i Empresa, Generalitat de Catalunya
Received: 10 September 2019
Accepted: 17 November 2019
First Online: 3 December 2019
Ethics approval and consent to participate
: The study was approved by the Institutional Ethics Committees of Advanced Centre for Treatment, Research and Education in Cancer (ACTREC), Mumbai, Dr. R. Ahmed Dental College & Hospital (RADCH), Kolkata, Chittaranjan National Cancer Institute (CNCI), Kolkata, National Institute of Biomedical Genomics (NIBMG), Kalyani, and Indian Statistical Institute (ISI), Kolkata. Prior written informed consent was obtained from all study participants.
: All authors have agreed to publish in <i>Clinical Epigenetics.</i>
: The authors declare that they have no competing interests.