| article html file updated | 30 August 2025 06:19 CEST | Update | https://www.mdpi.com/1996-1944/11/9/1521 |
| article html file updated | 17 July 2022 01:28 CEST | Update | - |
| article html file updated | 10 February 2020 07:23 CET | Update | - |
| article html file updated | 7 October 2019 00:44 CEST | Update | - |
| article html file updated | 29 April 2019 13:25 CEST | Update | - |
| article html file updated | 15 April 2019 08:55 CEST | Update | - |
| article html file updated | 31 March 2019 11:22 CEST | Update | - |
| article html file updated | 28 September 2018 11:38 CEST | Update | - |
| article html file updated | 24 August 2018 11:31 CEST | Original file | - |
| article pdf uploaded. | 24 August 2018 10:39 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/9/1521/pdf |
| article xml uploaded. | 24 August 2018 10:39 CEST | Update | https://www.mdpi.com/1996-1944/11/9/1521/xml |
| article xml file uploaded | 24 August 2018 10:39 CEST | Original file | - |