| article html file updated | 5 February 2020 17:44 CET | Update | https://www.mdpi.com/2079-4983/2/3/107 |
| article html file updated | 8 May 2019 23:53 CEST | Update | - |
| article html file updated | 20 March 2019 08:39 CET | Update | - |
| article html file updated | 16 June 2015 17:23 CEST | Update | - |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/2079-4983/2/3/107/xml |
| article html file updated | 12 May 2014 15:30 CEST | Update | - |
| article xml file uploaded | 12 May 2014 15:30 CEST | Original file | - |
| article html file updated | 6 February 2013 21:55 CET | Update | - |
| article html file updated | 6 February 2013 01:45 CET | Update | - |
| article html file updated | 28 January 2013 23:09 CET | Update | - |
| article html file updated | 26 January 2013 03:53 CET | Update | - |
| article html file updated | 22 January 2013 19:27 CET | Original file | - |
