| article html file updated | 1 September 2025 16:56 CEST | Update | https://www.mdpi.com/1424-8220/21/1/61 |
| article html file updated | 23 July 2022 07:08 CEST | Update | - |
| article html file updated | 31 December 2020 08:02 CET | Update | - |
| article pdf uploaded. | 31 December 2020 08:00 CET | Updated version of record | https://www.mdpi.com/1424-8220/21/1/61/pdf |
| article xml uploaded. | 31 December 2020 08:00 CET | Update | https://www.mdpi.com/1424-8220/21/1/61/xml |
| article xml file uploaded | 31 December 2020 08:00 CET | Update | - |
| article html file updated | 25 December 2020 09:50 CET | Update | - |
| article pdf uploaded. | 25 December 2020 09:49 CET | Updated version of record | https://www.mdpi.com/1424-8220/21/1/61/pdf-vor |
| article xml uploaded. | 25 December 2020 09:49 CET | Update | - |
| article xml file uploaded | 25 December 2020 09:49 CET | Update | - |
| article html file updated | 24 December 2020 14:16 CET | Original file | - |
| article pdf uploaded. | 24 December 2020 14:14 CET | Version of Record | https://www.mdpi.com/1424-8220/21/1/61/pdf-vor |
| article xml uploaded. | 24 December 2020 14:14 CET | Update | - |
| article xml file uploaded | 24 December 2020 14:14 CET | Original file | - |
