1. XPS Glencore, Falconbridge, Ontario, Canada;
2. Department of Geological Sciences and Geological Engineering, Queen’s University, Kingston, Ontario, Canada;
3. Health & Environment Public Policy, Nickel Institute, Brussels, Belgium;
4. Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Department of Physics, Engineering Physics & Astronomy, Queen’s University, Kingston, Ontario, Canada;
5. Department of Green Chemistry and Technology, Ghent University, Ghent, Belgium