| article html file updated | 5 February 2020 16:56 CET | Update | https://www.mdpi.com/2072-6694/3/2/1672 |
| article html file updated | 9 May 2019 01:30 CEST | Update | - |
| article html file updated | 20 March 2019 06:32 CET | Update | - |
| article html file updated | 16 June 2015 15:10 CEST | Update | - |
| article html file updated | 4 September 2013 15:05 CEST | Update | - |
| article xml file uploaded | 4 September 2013 15:05 CEST | Update | https://www.mdpi.com/2072-6694/3/2/1672/xml |
| article html file updated | 30 August 2013 08:58 CEST | Update | - |
| article xml file uploaded | 30 August 2013 08:58 CEST | Update | - |
| article html file updated | 29 August 2013 08:56 CEST | Update | - |
| article xml file uploaded | 29 August 2013 08:56 CEST | Update | - |
| article html file updated | 27 August 2013 11:49 CEST | Update | - |
| article xml file uploaded | 27 August 2013 11:49 CEST | Original file | - |
| article html file updated | 6 February 2013 20:31 CET | Update | - |
| article html file updated | 6 February 2013 00:22 CET | Update | - |
| article html file updated | 28 January 2013 21:50 CET | Update | - |
| article html file updated | 26 January 2013 01:51 CET | Update | - |
| article html file updated | 22 January 2013 13:24 CET | Original file | - |
