| article html file updated | 6 February 2020 12:12 CET | Update | https://www.mdpi.com/1660-4601/11/9/9503 |
| article html file updated | 7 May 2019 08:23 CEST | Update | - |
| article html file updated | 22 March 2019 00:48 CET | Update | - |
| article html file updated | 20 August 2015 18:55 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/1660-4601/11/9/9503/xml |
| article pdf uploaded. | 12 September 2014 14:38 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/9/9503/pdf |
