1. Department of Civil Engineering, Monash University, Clayton, Victoria 3800, Australia
2. Department of Civil and Environmental Engineering, The Pennsylvania State University, University Park 16802, Pennsylvania United States
3. Department of Agricultural and Biological Engineering, The Pennsylvania State University, University Park 16802, Pennsylvania United States
4. Department of Ecosystem Science & Management, The Pennsylvania State University, University Park 16802, Pennsylvania United States
5. Rock Ethics Institute, The Pennsylvania State University, University Park 16802, Pennsylvania United States