| article html file updated | 6 February 2020 21:52 CET | Update | https://www.mdpi.com/1996-1944/8/8/5247 |
| article html file updated | 6 May 2019 13:16 CEST | Update | N/A |
| article html file updated | 26 March 2019 08:58 CET | Update | N/A |
| article html file updated | 11 November 2015 10:28 CET | Original file | N/A |
| article xml file uploaded | 11 November 2015 10:28 CET | Update | https://www.mdpi.com/1996-1944/8/8/5247/xml |
| article xml file uploaded | 3 September 2015 03:56 CEST | Original file | N/A |
| article pdf uploaded. | 19 August 2015 11:27 CEST | Version of Record | https://www.mdpi.com/1996-1944/8/8/5247/pdf |
