| article html file updated | 7 February 2020 00:25 CET | Update | https://www.mdpi.com/1996-1073/8/11/12319 |
| article html file updated | 6 May 2019 08:03 CEST | Update | - |
| article html file updated | 26 March 2019 13:46 CET | Original file | - |
| article xml file uploaded | 2 November 2015 10:51 CET | Original file | https://www.mdpi.com/1996-1073/8/11/12319/xml |
| article pdf uploaded. | 30 October 2015 14:19 CET | Version of Record | https://www.mdpi.com/1996-1073/8/11/12319/pdf |
