| article html file updated | 30 August 2025 03:21 CEST | Update | https://www.mdpi.com/1996-1073/11/4/856 |
| article html file updated | 21 August 2025 19:53 CEST | Update | - |
| article html file updated | 16 July 2022 10:31 CEST | Update | - |
| article html file updated | 9 February 2020 12:43 CET | Update | - |
| article html file updated | 2 October 2019 08:02 CEST | Update | - |
| article html file updated | 1 May 2019 05:41 CEST | Update | - |
| article html file updated | 17 April 2019 05:50 CEST | Update | - |
| article html file updated | 29 March 2019 13:10 CET | Update | - |
| article html file updated | 1 May 2018 09:10 CEST | Update | - |
| article html file updated | 10 April 2018 12:57 CEST | Original file | - |
| article xml uploaded. | 10 April 2018 12:56 CEST | Update | https://www.mdpi.com/1996-1073/11/4/856/xml |
| article pdf uploaded. | 10 April 2018 12:56 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/4/856/pdf |
| article pdf uploaded. | 5 April 2018 17:41 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/856/pdf-vor |