Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (UID/MAT/00144/2019, UID/MULTI/00491/2013)
Fundação para a Ciência e a Tecnologia (PD/BD/135281/2017)
Article History
Received: 19 June 2019
Revised: 25 February 2021
Accepted: 3 March 2021
First Online: 29 March 2021
Compliance with ethical standards
:
: The authors have no relevant financial or non-financial interests to disclose.