| article html file updated | 6 February 2020 11:44 CET | Update | https://www.mdpi.com/1660-4601/11/9/8612 |
| article html file updated | 20 September 2019 12:02 CEST | Update | - |
| article html file updated | 7 May 2019 09:13 CEST | Update | - |
| article html file updated | 21 March 2019 23:42 CET | Update | - |
| article html file updated | 20 August 2015 16:22 CEST | Update | - |
| article html file updated | 16 October 2014 10:42 CEST | Original file | - |
| article xml file uploaded | 16 October 2014 10:42 CEST | Original file | https://www.mdpi.com/1660-4601/11/9/8612/xml |
| article pdf uploaded. | 25 August 2014 11:54 CEST | Version of Record | https://www.mdpi.com/1660-4601/11/9/8612/pdf |
