| article html file updated | 5 February 2020 14:48 CET | Update | https://www.mdpi.com/1660-4601/7/6/2638 |
| article html file updated | 9 May 2019 05:46 CEST | Update | - |
| article html file updated | 20 March 2019 01:09 CET | Update | - |
| article html file updated | 16 June 2015 10:19 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/1660-4601/7/6/2638/xml |
| article html file updated | 14 August 2014 11:21 CEST | Update | - |
| article xml file uploaded | 14 August 2014 11:21 CEST | Original file | - |
| article html file updated | 6 February 2013 17:51 CET | Update | - |
| article html file updated | 5 February 2013 21:58 CET | Update | - |
| article html file updated | 28 January 2013 19:30 CET | Update | - |
| article html file updated | 25 January 2013 22:39 CET | Update | - |
| article html file updated | 22 January 2013 01:12 CET | Update | - |
| article html file updated | 18 January 2013 07:25 CET | Original file | - |
