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Authors
Machón-González, Iván https://orcid.org/0000-0002-6711-9327
López-García, Hilario
Bocos-Barranco, Ignacio
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Funding
Funding for this research was provided by:
ECSC, The Commission of the European Communities, European Coal and Steel (709694)
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Article History
Received: 1 March 2018
Accepted: 11 April 2019
First Online: 24 May 2019
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
