| article html file updated | 6 February 2020 11:50 CET | Update | https://www.mdpi.com/1660-4601/11/9/8909 |
| article html file updated | 7 May 2019 09:02 CEST | Update | - |
| article html file updated | 21 March 2019 23:55 CET | Update | - |
| article html file updated | 20 August 2015 16:47 CEST | Update | - |
| article html file updated | 16 October 2014 10:41 CEST | Update | - |
| article xml file uploaded | 16 October 2014 10:41 CEST | Update | https://www.mdpi.com/1660-4601/11/9/8909/xml |
| article html file updated | 26 September 2014 09:54 CEST | Original file | - |
| article xml file uploaded | 26 September 2014 09:54 CEST | Original file | - |
| article pdf uploaded. | 1 September 2014 08:20 CEST | Updated version of record | https://www.mdpi.com/1660-4601/11/9/8909/pdf |
| article pdf uploaded. | 29 August 2014 14:08 CEST | Updated version of record | https://www.mdpi.com/1660-4601/11/9/8909/pdf-vor |
| article pdf uploaded. | 28 August 2014 08:57 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/9/8909/pdf-vor |