| article html file updated | 6 February 2020 10:26 CET | Update | https://www.mdpi.com/1660-4601/11/7/6844 |
| article html file updated | 7 May 2019 12:10 CEST | Update | - |
| article html file updated | 21 March 2019 20:08 CET | Update | - |
| article html file updated | 20 August 2015 11:46 CEST | Update | - |
| article html file updated | 29 July 2014 11:40 CEST | Update | - |
| article xml file uploaded | 29 July 2014 11:40 CEST | Update | https://www.mdpi.com/1660-4601/11/7/6844/xml |
| article html file updated | 29 July 2014 09:42 CEST | Original file | - |
| article xml file uploaded | 29 July 2014 09:42 CEST | Original file | - |
| article pdf uploaded. | 7 July 2014 09:39 CEST | Updated version of record | https://www.mdpi.com/1660-4601/11/7/6844/pdf |
