| article html file updated | 1 September 2025 10:49 CEST | Update | https://www.mdpi.com/2076-3921/9/10/990 |
| article html file updated | 22 July 2022 20:57 CEST | Update | - |
| article html file updated | 4 December 2020 05:49 CET | Update | - |
| article html file updated | 22 October 2020 13:31 CEST | Update | - |
| article pdf uploaded. | 22 October 2020 13:29 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/10/990/pdf |
| article xml uploaded. | 22 October 2020 13:29 CEST | Update | https://www.mdpi.com/2076-3921/9/10/990/xml |
| article xml file uploaded | 22 October 2020 13:29 CEST | Update | - |
| article html file updated | 22 October 2020 13:22 CEST | Original file | - |
| article pdf uploaded. | 22 October 2020 13:21 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/10/990/pdf-vor |
| article xml uploaded. | 22 October 2020 13:21 CEST | Update | - |
| article xml file uploaded | 22 October 2020 13:20 CEST | Original file | - |
| article pdf uploaded. | 14 October 2020 12:38 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/10/990/pdf-vor |
