Tamagnone, Paolo http://orcid.org/0000-0002-0485-2169
Comino, Elena http://orcid.org/0000-0002-3289-1800
Rosso, Maurizio http://orcid.org/0000-0001-9504-0512
Article History
Received: 8 June 2019
Accepted: 22 January 2020
First Online: 3 February 2020
Change Date: 17 March 2020
Change Type: Correction
Change Details: The original version of this paper was unfortunately published with an error. The online visualization of the paper is correct; instead, the printed version (page 5) reports strange lines into the vectors of Eq. (2), and the G is divided from its expression (see Fig.��1).