1. School of Engineering, RMIT University, Melbourne 3000, Victoria, Australia
2. Centre for Additive Manufacturing, RMIT University, Melbourne, Victoria 3000, Australia
3. ARC Centre of Excellence for Nanoscale BioPhotonics, School of Science, RMIT University, Melbourne, Victoria 3000, Australia
4. Institute of Health and Biomedical Innovation, Queensland University of Technology, Kelvin Grove, Queensland 4059, Australia
5. School of Science, RMIT University, Melbourne, Victoria 3000, Australia