1. Division of Energy Technology, Chalmers University of Technology, Hörsalsvägen 7B, 41296 Göteborg, Sweden
2. Tecnalia, Basque Research and Technology Alliance (BRTA), Alava Science and Technology Park, Leonardo da Vinci 11, 01510 Vitoria-Gasteiz, Spain
3. Halmstads Energi och Miljö AB, Box 31, 30102 Halmstad, Sweden