1. Life Cycle Engineering Research Group; Department of Mechanical Engineering of the KU Leuven; Leuven Belgium
2. 3D Printing Research Group, Faculty of Engineering; University of Nottingham; Nottingham United Kingdom
3. Environmentally Benign Manufacturing (EBM) research group, Laboratory for Manufacturing and Productivity and Mechanical Engineering Department; Massachusetts Institute of Technology (MIT); Cambridge MA USA
4. Eco-assessment Center of Excellence; General Electric Company; Albany NY USA
5. Center for Industrial Ecology; Yale School of Forestry & Environmental Studies; New Haven CT USA