| article html file updated | 8 February 2020 15:05 CET | Update | https://www.mdpi.com/1996-1073/10/9/1320 |
| article html file updated | 26 September 2019 21:33 CEST | Update | - |
| article html file updated | 3 May 2019 03:59 CEST | Update | - |
| article html file updated | 30 September 2017 08:19 CEST | Update | - |
| article html file updated | 2 September 2017 12:37 CEST | Original file | - |
| article xml uploaded. | 2 September 2017 12:35 CEST | Update | https://www.mdpi.com/1996-1073/10/9/1320/xml |
| article xml uploaded. | 2 September 2017 12:35 CEST | Original file | - |
| article pdf uploaded. | 2 September 2017 12:35 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/9/1320/pdf |
| article pdf uploaded. | 1 September 2017 12:45 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1320/pdf-vor |
