| article html file updated | 7 February 2020 20:29 CET | Update | https://www.mdpi.com/1996-1073/10/1/33 |
| article html file updated | 22 September 2019 16:15 CEST | Update | - |
| article html file updated | 4 May 2019 17:26 CEST | Update | - |
| article html file updated | 7 February 2017 09:37 CET | Update | - |
| article html file updated | 29 December 2016 10:49 CET | Original file | - |
| article xml uploaded. | 29 December 2016 10:48 CET | Update | https://www.mdpi.com/1996-1073/10/1/33/xml |
| article xml uploaded. | 29 December 2016 10:48 CET | Original file | - |
| article pdf uploaded. | 29 December 2016 10:48 CET | Version of Record | https://www.mdpi.com/1996-1073/10/1/33/pdf |
