Project title
Portuguese Foundation for Science and Technology (FCT), Portugal, via Projects PTDC/EMS-TEC/0702/2014 (POCI-01-0145-FEDER-016779), PTDC/EMS-TEC/6400/ 2014 (POCI-01-0145-FEDER-016876), and UID/EMS/00285/ 2013, by UE/FEDER through Program COMPETE2020. P. A. Prates, A. F. G. Pereira, and N. A. Sakharova were supported by a grant for scientific research from the Portuguese Foundation for Science and Technology (refs. SFRH/BPD/ 101465/2014, SFRH/BD/102519/2014, and SFRH/BPD/107888/ 2015, resp.)