| article html file updated | 1 September 2025 17:33 CEST | Update | https://www.mdpi.com/1999-4907/12/1/50 |
| article html file updated | 23 July 2022 09:24 CEST | Update | - |
| article html file updated | 13 January 2021 10:28 CET | Update | - |
| article pdf uploaded. | 13 January 2021 10:26 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/50/pdf |
| article xml uploaded. | 13 January 2021 10:26 CET | Update | https://www.mdpi.com/1999-4907/12/1/50/xml |
| article xml file uploaded | 13 January 2021 10:26 CET | Update | - |
| article html file updated | 4 January 2021 04:38 CET | Update | - |
| article pdf uploaded. | 4 January 2021 04:36 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/50/pdf-vor |
| article xml file uploaded | 4 January 2021 04:36 CET | Update | - |
| article html file updated | 4 January 2021 04:27 CET | Original file | - |
| article pdf uploaded. | 4 January 2021 04:26 CET | Updated version of record | https://www.mdpi.com/1999-4907/12/1/50/pdf-vor |
| article xml file uploaded | 4 January 2021 04:26 CET | Original file | - |
| article pdf uploaded. | 1 January 2021 00:29 CET | Version of Record | https://www.mdpi.com/1999-4907/12/1/50/pdf-vor |
