| article html file updated | 30 August 2025 22:58 CEST | Update | https://www.mdpi.com/2071-1050/11/15/4021 |
| article html file updated | 20 July 2022 06:25 CEST | Update | N/A |
| article html file updated | 13 February 2020 04:48 CET | Update | N/A |
| article html file updated | 13 August 2019 06:29 CEST | Update | N/A |
| article html file updated | 25 July 2019 09:45 CEST | Original file | N/A |
| article pdf uploaded. | 25 July 2019 09:44 CEST | Version of Record | https://www.mdpi.com/2071-1050/11/15/4021/pdf |
| article xml uploaded. | 25 July 2019 09:44 CEST | Update | https://www.mdpi.com/2071-1050/11/15/4021/xml |
| article xml file uploaded | 25 July 2019 09:44 CEST | Original file | N/A |
