| article html file updated | 8 February 2020 15:17 CET | Update | https://www.mdpi.com/1996-1073/10/9/1335 |
| article html file updated | 26 September 2019 22:38 CEST | Update | - |
| article html file updated | 3 May 2019 03:39 CEST | Update | - |
| article html file updated | 30 September 2017 08:16 CEST | Update | - |
| article html file updated | 5 September 2017 09:24 CEST | Original file | - |
| article xml uploaded. | 5 September 2017 09:23 CEST | Original file | https://www.mdpi.com/1996-1073/10/9/1335/xml |
| article pdf uploaded. | 5 September 2017 09:23 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/9/1335/pdf |
| article pdf uploaded. | 4 September 2017 14:39 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/9/1335/pdf-vor |
