1. Department of Mathematics & Computing Indian Institute of Technology Dhanbad Dhanbad India
2. Section of Biostatistics,Centre for Cancer Epidemiology Tata Memorial Center Mumbai India
3. Homi Bhabha National Institute Mumbai India
4. Laboratoire De Mathématiques et de leurs Applications de PAU E2S‐UPPA, CNRS Pau France
5. ARC Centre of Excellence for Mathematical and Statistical Frontiers at School of Mathematical Science Queensland University of Technology Brisbane Queensland Australia
6. Department of Mathematics and Statistics Macquarie University Sydney Australia