| article html file updated | 1 September 2025 16:53 CEST | Update | https://www.mdpi.com/1424-8220/21/1/49 |
| article html file updated | 23 July 2022 07:00 CEST | Update | N/A |
| article html file updated | 25 December 2020 10:03 CET | Update | N/A |
| article html file updated | 25 December 2020 07:03 CET | Original file | N/A |
| article pdf uploaded. | 25 December 2020 07:01 CET | Updated version of record | https://www.mdpi.com/1424-8220/21/1/49/pdf |
| article xml uploaded. | 25 December 2020 07:01 CET | Update | https://www.mdpi.com/1424-8220/21/1/49/xml |
| article xml file uploaded | 25 December 2020 07:01 CET | Original file | N/A |
| article pdf uploaded. | 24 December 2020 10:29 CET | Version of Record | https://www.mdpi.com/1424-8220/21/1/49/pdf-vor |
