| article html file updated | 1 September 2025 16:57 CEST | Update | https://www.mdpi.com/1424-8220/21/1/69 |
| article html file updated | 23 July 2022 07:12 CEST | Update | N/A |
| article html file updated | 8 January 2021 01:44 CET | Update | N/A |
| article pdf uploaded. | 8 January 2021 01:42 CET | Updated version of record | https://www.mdpi.com/1424-8220/21/1/69/pdf |
| article xml uploaded. | 8 January 2021 01:42 CET | Update | https://www.mdpi.com/1424-8220/21/1/69/xml |
| article xml file uploaded | 8 January 2021 01:42 CET | Update | N/A |
| article html file updated | 26 December 2020 11:00 CET | Original file | N/A |
| article pdf uploaded. | 26 December 2020 10:58 CET | Updated version of record | https://www.mdpi.com/1424-8220/21/1/69/pdf-vor |
| article xml uploaded. | 26 December 2020 10:58 CET | Update | N/A |
| article xml file uploaded | 26 December 2020 10:58 CET | Original file | N/A |
| article pdf uploaded. | 24 December 2020 16:08 CET | Version of Record | https://www.mdpi.com/1424-8220/21/1/69/pdf-vor |
