| article html file updated | 5 February 2020 15:01 CET | Update | https://www.mdpi.com/2076-3425/1/1/1 |
| article html file updated | 19 September 2019 00:08 CEST | Update | - |
| article html file updated | 9 May 2019 05:19 CEST | Update | - |
| article html file updated | 20 March 2019 01:48 CET | Update | - |
| article html file updated | 16 June 2015 10:49 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/2076-3425/1/1/1/xml |
| article html file updated | 14 August 2014 11:20 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:20 CEST | Update | - |
| article html file updated | 23 May 2014 14:09 CEST | Update | - |
| article xml file uploaded | 23 May 2014 14:09 CEST | Original file | - |
| article html file updated | 6 February 2013 18:09 CET | Update | - |
| article html file updated | 5 February 2013 22:11 CET | Update | - |
| article html file updated | 28 January 2013 19:43 CET | Update | - |
| article html file updated | 25 January 2013 22:56 CET | Update | - |
| article html file updated | 22 January 2013 02:10 CET | Update | - |
| article html file updated | 18 January 2013 08:15 CET | Original file | - |
