| article html file updated | 19 August 2026 03:20 CEST | Update | https://www.mdpi.com/1424-8220/21/6/2081 |
| article html file updated | 2 September 2025 00:45 CEST | Update | N/A |
| article html file updated | 25 July 2022 07:51 CEST | Update | N/A |
| article html file updated | 16 March 2021 13:38 CET | Update | N/A |
| article pdf uploaded. | 16 March 2021 13:36 CET | Updated version of record | https://www.mdpi.com/1424-8220/21/6/2081/pdf |
| article xml uploaded. | 16 March 2021 13:36 CET | Update | https://www.mdpi.com/1424-8220/21/6/2081/xml |
| article xml file uploaded | 16 March 2021 13:36 CET | Update | N/A |
| article html file updated | 16 March 2021 12:30 CET | Original file | N/A |
| article xml file uploaded | 16 March 2021 12:29 CET | Original file | N/A |
