1. Department of Materials Recycling, Centro Nacional de Investigaciones Metalúrgicas (CENIM-CSIC), Madrid, Spain
2. Energy Safety Research Institute (ESRI), College of Engineering, Swansea University, Singleton Park, Wales, United Kingdom
3. Laboratoire de Physique des Gaz et des Plasmas, Université Paris-Sud Orsay, Supélec, Plateau de Moulon, Gif sur Yvette, France