| article html file updated | 30 August 2025 06:31 CEST | Update | https://www.mdpi.com/1996-1944/11/9/1568 |
| article html file updated | 17 July 2022 01:52 CEST | Update | - |
| article html file updated | 10 February 2020 08:27 CET | Update | - |
| article html file updated | 7 October 2019 06:34 CEST | Update | - |
| article html file updated | 29 April 2019 10:57 CEST | Update | - |
| article html file updated | 15 April 2019 06:37 CEST | Update | - |
| article html file updated | 31 March 2019 13:36 CEST | Update | - |
| article html file updated | 28 September 2018 12:05 CEST | Update | - |
| article html file updated | 11 September 2018 09:34 CEST | Original file | - |
| article pdf uploaded. | 11 September 2018 09:33 CEST | Updated version of record | https://www.mdpi.com/1996-1944/11/9/1568/pdf |
| article xml uploaded. | 11 September 2018 09:33 CEST | Update | https://www.mdpi.com/1996-1944/11/9/1568/xml |
| article xml file uploaded | 11 September 2018 09:33 CEST | Update | - |
| article pdf uploaded. | 31 August 2018 10:28 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/9/1568/pdf-vor |
| article xml uploaded. | 31 August 2018 10:28 CEST | Update | - |
| article xml file uploaded | 31 August 2018 10:28 CEST | Original file | - |
