| article html file updated | 5 February 2020 23:55 CET | Update | https://www.mdpi.com/2079-9292/2/1/35 |
| article html file updated | 19 September 2019 16:53 CEST | Update | - |
| article html file updated | 8 May 2019 09:58 CEST | Update | - |
| article html file updated | 20 March 2019 17:02 CET | Update | - |
| article html file updated | 17 June 2015 05:25 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/2079-9292/2/1/35/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 | 8 February 2013 09:27 CET | Update | - |
| article html file updated | 7 February 2013 17:46 CET | Update | - |
| article html file updated | 24 January 2013 12:09 CET | Update | - |
| article html file updated | 23 January 2013 13:55 CET | Original file | - |
| article xml uploaded. | 23 January 2013 13:55 CET | Original file | - |
