1. Key Laboratory for Applied Statistics of MOE and School of Mathematics and Statistics, Northeast Normal University, Changchun, 130024, China
2. CSIRO Mathematics, Informatics and Statistics, 120 Meiers Road, Indooroopilly, Queensland, 4068, Australia
3. Centre for Applications in Natural Resource Mathematics (CARM), School of Mathematics and Physics, The University of Queensland, St Lucia, Queensland, 4072, Australia