| article html file updated | 5 February 2020 15:32 CET | Update | https://www.mdpi.com/1660-4601/7/9/3531 |
| article html file updated | 19 September 2019 01:11 CEST | Update | - |
| article html file updated | 9 May 2019 04:15 CEST | Update | - |
| article html file updated | 20 March 2019 03:12 CET | Update | - |
| article html file updated | 16 June 2015 11:53 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/1660-4601/7/9/3531/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 18:37 CET | Update | - |
| article html file updated | 5 February 2013 22:35 CET | Update | - |
| article html file updated | 28 January 2013 20:07 CET | Update | - |
| article html file updated | 25 January 2013 23:30 CET | Update | - |
| article html file updated | 22 January 2013 04:42 CET | Update | - |
| article html file updated | 18 January 2013 10:05 CET | Original file | - |
