| article html file updated | 5 February 2020 15:34 CET | Update | https://www.mdpi.com/2072-6694/2/4/1771 |
| article html file updated | 9 May 2019 04:10 CEST | Update | - |
| article html file updated | 20 March 2019 03:19 CET | Update | - |
| article html file updated | 16 June 2015 11:57 CEST | Update | - |
| article html file updated | 14 August 2014 11:41 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:41 CEST | Update | https://www.mdpi.com/2072-6694/2/4/1771/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:21 CEST | Update | - |
| article html file updated | 22 November 2013 11:31 CET | Original file | - |
| article xml file uploaded | 22 November 2013 11:31 CET | Original file | - |
