| article html file updated | 8 February 2020 16:19 CET | Update | https://www.mdpi.com/1996-1073/10/9/1409 |
| article html file updated | 27 September 2019 04:10 CEST | Update | - |
| article html file updated | 3 May 2019 01:45 CEST | Update | - |
| article html file updated | 30 September 2017 08:02 CEST | Update | - |
| article html file updated | 15 September 2017 13:03 CEST | Original file | - |
| article xml uploaded. | 15 September 2017 13:01 CEST | Update | https://www.mdpi.com/1996-1073/10/9/1409/xml |
| article xml uploaded. | 15 September 2017 13:01 CEST | Original file | - |
| article pdf uploaded. | 15 September 2017 13:01 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1409/pdf |
