1. Research School of Finance, Actuarial Studies and Statistics, The Australian National University, Canberra, Australia
2. Centre for Public Health Research, Massey University, Wellington, New Zealand
3. School of Fundamental Sciences, Massey University, Palmerston North, New Zealand
4. Department of Mathematical and Statistical Methods, Poznań University of Life Sciences, Poznań, Poland
5. Faculty of Information Technology and Communication Sciences, Tampere University, Tampere, Finland