1. Xuejun Yu is Research Fellow, Department of Paediatrics, NUS Yong Loo Lin School of Medicine, National University of Singapore, 119228, Singapore
2. David J. Nott is Associate Professor, Department of Statistics and Data Science, National University of Singapore, 117546, Singapore
3. Michael Stanley Smith is Chair of Management (Economertics), Melbourne Business School, University of Melbourne, 200 Leicester Street, Carlton, Victoria 3053, Australia