| article html file updated | 7 February 2020 17:43 CET | Update | https://www.mdpi.com/1996-1073/9/11/928 |
| article html file updated | 4 May 2019 23:05 CEST | Update | - |
| article html file updated | 30 November 2016 05:55 CET | Update | - |
| article html file updated | 9 November 2016 09:21 CET | Original file | - |
| article xml uploaded. | 9 November 2016 09:19 CET | Update | https://www.mdpi.com/1996-1073/9/11/928/xml |
| article xml uploaded. | 9 November 2016 09:19 CET | Original file | - |
| article pdf uploaded. | 9 November 2016 09:19 CET | Version of Record | https://www.mdpi.com/1996-1073/9/11/928/pdf |
