| article html file updated | 1 September 2025 12:18 CEST | Update | https://www.mdpi.com/1424-8220/20/21/6180 |
| article html file updated | 22 July 2022 23:08 CEST | Update | - |
| article html file updated | 25 December 2020 06:47 CET | Update | - |
| article xml uploaded. | 25 December 2020 06:45 CET | Update | https://www.mdpi.com/1424-8220/20/21/6180/xml |
| article xml uploaded. | 25 December 2020 06:45 CET | Update | - |
| article pdf uploaded. | 25 December 2020 06:45 CET | Updated version of record | https://www.mdpi.com/1424-8220/20/21/6180/pdf |
| article html file updated | 30 October 2020 07:14 CET | Original file | - |
| article pdf uploaded. | 30 October 2020 07:12 CET | Version of Record | https://www.mdpi.com/1424-8220/20/21/6180/pdf-vor |
| article xml uploaded. | 30 October 2020 07:12 CET | Update | - |
| article xml file uploaded | 30 October 2020 07:12 CET | Original file | - |
