| article html file updated | 6 February 2020 23:45 CET | Update | https://www.mdpi.com/1996-1073/8/10/11470 |
| article html file updated | 6 May 2019 09:23 CEST | Update | - |
| article html file updated | 26 March 2019 12:30 CET | Update | - |
| article html file updated | 4 November 2015 06:02 CET | Original file | - |
| article xml file uploaded | 4 November 2015 06:02 CET | Original file | https://www.mdpi.com/1996-1073/8/10/11470/xml |
| article pdf uploaded. | 14 October 2015 15:34 CEST | Version of Record | https://www.mdpi.com/1996-1073/8/10/11470/pdf |
