| article html file updated | 1 September 2025 18:22 CEST | Update | https://www.mdpi.com/2227-7099/9/1/4 |
| article html file updated | 23 July 2022 14:08 CEST | Update | - |
| article html file updated | 19 January 2022 08:36 CET | Update | - |
| article xml uploaded. | 19 January 2022 08:34 CET | Update | https://www.mdpi.com/2227-7099/9/1/4/xml |
| article pdf uploaded. | 19 January 2022 08:34 CET | Updated version of record | https://www.mdpi.com/2227-7099/9/1/4/pdf |
| article html file updated | 13 January 2021 03:54 CET | Update | - |
| article pdf uploaded. | 13 January 2021 03:52 CET | Updated version of record | https://www.mdpi.com/2227-7099/9/1/4/pdf-vor |
| article xml uploaded. | 13 January 2021 03:52 CET | Update | - |
| article xml file uploaded | 13 January 2021 03:52 CET | Update | - |
| article html file updated | 12 January 2021 07:14 CET | Update | - |
| article pdf uploaded. | 12 January 2021 07:13 CET | Updated version of record | https://www.mdpi.com/2227-7099/9/1/4/pdf-vor |
| article xml uploaded. | 12 January 2021 07:13 CET | Update | - |
| article xml file uploaded | 12 January 2021 07:13 CET | Update | - |
| article html file updated | 12 January 2021 06:58 CET | Original file | - |
| article pdf uploaded. | 12 January 2021 06:56 CET | Version of Record | https://www.mdpi.com/2227-7099/9/1/4/pdf-vor |
| article xml uploaded. | 12 January 2021 06:56 CET | Update | - |
| article xml file uploaded | 12 January 2021 06:56 CET | Original file | - |
