Lehtonen, Erkko http://orcid.org/0000-0002-9255-5876
Waldhauser, Tamás http://orcid.org/0000-0003-0365-6497
Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (UID/MAT/00297/2019)
Fundação para a Ciência e a Tecnologia (PTDC/MAT-PUR/31174/2017)
Nemzeti Kutatási Fejlesztési és Innovációs Hivatal (K115518)
Emberi Eroforrások Minisztériuma (TUDFO/47138-1/2019-ITM)
University of Szeged Open Access Fund (4468)
Article History
Received: 29 November 2019
Accepted: 30 December 2020
First Online: 3 May 2021