| article html file updated | 5 February 2020 23:56 CET | Update | https://www.mdpi.com/2071-1050/5/1/160 |
| article html file updated | 19 September 2019 16:54 CEST | Update | N/A |
| article html file updated | 8 May 2019 09:57 CEST | Update | N/A |
| article html file updated | 20 March 2019 17:04 CET | Update | N/A |
| article html file updated | 17 June 2015 05:25 CEST | Update | N/A |
| article html file updated | 14 August 2014 12:06 CEST | Update | N/A |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/2071-1050/5/1/160/xml |
| article html file updated | 8 February 2013 09:29 CET | Update | N/A |
| article html file updated | 7 February 2013 17:48 CET | Update | N/A |
| article html file updated | 24 January 2013 12:13 CET | Update | N/A |
| article html file updated | 23 January 2013 13:58 CET | Original file | N/A |
| article xml uploaded. | 23 January 2013 13:58 CET | Original file | N/A |
