| article html file updated | 5 February 2020 15:22 CET | Update | https://www.mdpi.com/1660-4601/7/9/3406 |
| article html file updated | 9 May 2019 04:35 CEST | Update | - |
| article html file updated | 20 March 2019 02:46 CET | Update | - |
| article html file updated | 16 June 2015 11:35 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/1660-4601/7/9/3406/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 18:28 CET | Update | - |
| article html file updated | 5 February 2013 22:28 CET | Update | - |
| article html file updated | 28 January 2013 19:59 CET | Update | - |
| article html file updated | 25 January 2013 23:19 CET | Update | - |
| article html file updated | 22 January 2013 03:41 CET | Update | - |
| article html file updated | 18 January 2013 09:30 CET | Original file | - |
