1. Empa, Swiss Federal Laboratories for Materials Science and Technology, Chemical Energy Carriers and Vehicle Systems Laboratory, 8600 Dübendorf, Switzerland
2. Empa, Swiss Federal Laboratories for Materials Science and Technology, Materials for Energy Conversion Laboratory, 8600 Dübendorf, Switzerland
3. Empa, Swiss Federal Laboratories for Materials Science and Technology, Technology and Society Laboratory, 9014 St. Gallen, Switzerland