| article html file updated | 6 February 2020 09:30 CET | Update | https://www.mdpi.com/1660-4601/11/6/5640 |
| article html file updated | 7 May 2019 14:04 CEST | Update | - |
| article html file updated | 21 March 2019 17:38 CET | Update | - |
| article html file updated | 20 August 2015 08:16 CEST | Update | - |
| article html file updated | 2 July 2014 12:31 CEST | Original file | - |
| article xml file uploaded | 2 July 2014 12:31 CEST | Original file | https://www.mdpi.com/1660-4601/11/6/5640/xml |
| article pdf uploaded. | 26 May 2014 14:35 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/6/5640/pdf |
