1. SustainRD, ESTSetubal, Polytechnic Institute of Setúbal, Setúbal, Portugal
2. ISEL – Instituto Politécnico de Lisboa, Lisboa, Portugal
3. School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou, China
4. CTS-UNINOVA, Caparica, Portugal
5. INESC-ID, Lisboa, Portugal