| article html file updated | 6 February 2020 11:55 CET | Update | https://www.mdpi.com/1660-4601/11/9/9050 |
| article html file updated | 7 May 2019 08:52 CEST | Update | - |
| article html file updated | 22 March 2019 00:08 CET | Update | - |
| article html file updated | 20 August 2015 17:05 CEST | Update | - |
| article html file updated | 16 October 2014 10:41 CEST | Original file | - |
| article xml file uploaded | 16 October 2014 10:41 CEST | Original file | https://www.mdpi.com/1660-4601/11/9/9050/xml |
| article pdf uploaded. | 2 September 2014 11:24 CEST | Updated version of record | https://www.mdpi.com/1660-4601/11/9/9050/pdf |
| article pdf uploaded. | 1 September 2014 14:12 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/9/9050/pdf-vor |
