1. Faculty of Dentistry, National University of Singapore, Singapore
2. State Key Laboratory of Fluid Power and Mechatronic Systems, School of Mechanical Engineering, Zhejiang University, Hangzhou, Zhejiang, PR China
3. Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou, Zhejiang, PR China
4. IRCCS Istituto Romagnolo per lo Studio dei Tumori (IRST) “Dino Amadori”, Meldola, Italy
5. Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna, Italy
6. School of Dentistry, University of Dundee, Dundee, UK
7. NUS Centre for Additive Manufacturing (AM.NUS), National University of Singapore, Singapore