| article html file updated | 5 February 2020 16:27 CET | Update | https://www.mdpi.com/1660-4601/8/1/222 |
| article html file updated | 19 September 2019 02:51 CEST | Update | - |
| article html file updated | 9 May 2019 02:28 CEST | Update | - |
| article html file updated | 20 March 2019 05:19 CET | Update | - |
| article html file updated | 16 June 2015 13:50 CEST | Update | - |
| article html file updated | 14 August 2014 11:42 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:42 CEST | Update | https://www.mdpi.com/1660-4601/8/1/222/xml |
| article html file updated | 14 August 2014 11:22 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:22 CEST | Original file | - |
| article html file updated | 6 February 2013 19:39 CET | Update | - |
| article html file updated | 5 February 2013 23:33 CET | Update | - |
| article html file updated | 28 January 2013 21:04 CET | Update | - |
| article html file updated | 26 January 2013 00:46 CET | Update | - |
| article html file updated | 22 January 2013 09:17 CET | Original file | - |
