| article html file updated | 6 February 2020 21:53 CET | Update | https://www.mdpi.com/2218-273X/5/3/1979 |
| article html file updated | 6 May 2019 13:14 CEST | Update | - |
| article html file updated | 26 March 2019 09:00 CET | Update | - |
| article html file updated | 9 October 2015 09:02 CEST | Original file | - |
| article xml file uploaded | 9 October 2015 09:02 CEST | Original file | https://www.mdpi.com/2218-273X/5/3/1979/xml |
| article pdf uploaded. | 19 August 2015 12:52 CEST | Version of Record | https://www.mdpi.com/2218-273X/5/3/1979/pdf |
