| article html file updated | 6 February 2020 10:30 CET | Update | https://www.mdpi.com/1660-4601/11/7/6923 |
| article html file updated | 7 May 2019 12:02 CEST | Update | - |
| article html file updated | 21 March 2019 20:18 CET | Update | - |
| article html file updated | 20 August 2015 11:57 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/1660-4601/11/7/6923/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 11:05 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/7/6923/pdf |
