| article html file updated | 5 February 2020 16:21 CET | Update | https://www.mdpi.com/2072-6694/3/1/252 |
| article html file updated | 8 January 2020 12:51 CET | Update | - |
| article html file updated | 19 September 2019 02:42 CEST | Update | - |
| article html file updated | 9 May 2019 02:40 CEST | Update | - |
| article html file updated | 20 March 2019 05:05 CET | Update | - |
| article html file updated | 16 June 2015 13:33 CEST | Update | - |
| article html file updated | 4 September 2013 14:58 CEST | Update | - |
| article xml file uploaded | 4 September 2013 14:58 CEST | Update | https://www.mdpi.com/2072-6694/3/1/252/xml |
| article html file updated | 29 August 2013 10:34 CEST | Update | - |
| article xml file uploaded | 29 August 2013 10:34 CEST | Update | - |
| article html file updated | 29 August 2013 08:49 CEST | Update | - |
| article xml file uploaded | 29 August 2013 08:48 CEST | Update | - |
| article html file updated | 27 August 2013 11:46 CEST | Update | - |
| article xml file uploaded | 27 August 2013 11:46 CEST | Original file | - |
| article html file updated | 6 February 2013 19:28 CET | Update | - |
| article html file updated | 5 February 2013 23:22 CET | Update | - |
| article html file updated | 28 January 2013 20:54 CET | Update | - |
| article html file updated | 26 January 2013 00:33 CET | Update | - |
| article html file updated | 22 January 2013 08:25 CET | Original file | - |
