Gehrke, Sergio Alexandre http://orcid.org/0000-0002-5863-9101
Bragança, Leana Kathleen
Velasco-Ortega, Eugenio
Calvo-Guirado, José Luis
Article History
Received: 2 October 2017
Accepted: 10 January 2018
First Online: 12 February 2018
Competing interests
: Sergio Alexandre Gehrke, Leana Kathleen Bragança, Eugenio Velasco-Ortega, and Jose Luis Calvo-Guirado declare that they have no competing interests.
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