Svidró, P. http://orcid.org/0000-0001-7012-9342
Diószegi, A. http://orcid.org/0000-0002-3024-9005
Jönsson, P. G. http://orcid.org/0000-0001-9775-0382
Stefanescu, D. M. http://orcid.org/0000-0001-5544-8396
Article History
Received: 23 August 2017
Accepted: 16 February 2018
First Online: 7 March 2018
Change Date: 26 July 2018
Change Type: Correction
Change Details: In the original publication of the article, Eq. (4) was published incorrectly. The corrected Eq. (4) is given in this correction.