Dicher, Bogdan http://orcid.org/0000-0002-2587-0649
Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (SFRH/BPD/116125/2016)
Article History
First Online: 5 December 2018
Change Date: 20 December 2019
Change Type: Correction
Change Details: In the original publication of the article, in Definition 4, the sixth line which reads as