| article html file updated | 15 August 2026 06:35 CEST | Update | https://www.mdpi.com/1996-1944/11/9/1557 |
| article html file updated | 30 August 2025 06:27 CEST | Update | N/A |
| article html file updated | 17 July 2022 01:45 CEST | Update | N/A |
| article html file updated | 10 February 2020 08:08 CET | Update | N/A |
| article html file updated | 7 October 2019 04:49 CEST | Update | N/A |
| article html file updated | 29 April 2019 11:41 CEST | Update | N/A |
| article html file updated | 15 April 2019 07:17 CEST | Update | N/A |
| article html file updated | 31 March 2019 12:56 CEST | Update | N/A |
| article html file updated | 28 September 2018 12:02 CEST | Update | N/A |
| article html file updated | 29 August 2018 12:24 CEST | Original file | N/A |
| article pdf uploaded. | 29 August 2018 12:22 CEST | Version of Record | https://www.mdpi.com/1996-1944/11/9/1557/pdf |
| article xml uploaded. | 29 August 2018 12:22 CEST | Update | https://www.mdpi.com/1996-1944/11/9/1557/xml |
| article xml file uploaded | 29 August 2018 12:22 CEST | Original file | N/A |
