Article History
Received: 16 January 2018
Revised: 8 April 2018
Accepted: 8 May 2018
First Online: 24 May 2018
Compliance with ethical standards
: The authors disclose any conflicts of interest with respect to this report. The manuscript does not deal with research involving human participants and/or animals, and therefore, an informed consent was not obtained. No funding was received regarding this report.