| article html file updated | 7 February 2020 19:59 CET | Update | https://www.mdpi.com/1996-1073/9/12/1092 |
| article html file updated | 22 September 2019 13:31 CEST | Update | - |
| article html file updated | 4 May 2019 18:28 CEST | Update | - |
| article html file updated | 28 December 2016 09:11 CET | Update | - |
| article html file updated | 20 December 2016 12:29 CET | Original file | - |
| article xml uploaded. | 20 December 2016 12:28 CET | Update | https://www.mdpi.com/1996-1073/9/12/1092/xml |
| article xml uploaded. | 20 December 2016 12:28 CET | Original file | - |
| article pdf uploaded. | 20 December 2016 12:28 CET | Version of Record | https://www.mdpi.com/1996-1073/9/12/1092/pdf |
