| article html file updated | 1 September 2025 17:17 CEST | Update | https://www.mdpi.com/2227-7390/9/1/56 |
| article html file updated | 23 July 2022 08:19 CEST | Update | - |
| article html file updated | 31 December 2020 15:25 CET | Update | - |
| article pdf uploaded. | 31 December 2020 15:23 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/1/56/pdf |
| article xml uploaded. | 31 December 2020 15:23 CET | Update | https://www.mdpi.com/2227-7390/9/1/56/xml |
| article xml file uploaded | 31 December 2020 15:23 CET | Update | - |
| article html file updated | 30 December 2020 09:44 CET | Update | - |
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| article pdf uploaded. | 30 December 2020 09:43 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/1/56/pdf-vor |
| article xml uploaded. | 30 December 2020 09:43 CET | Update | - |
| article html file updated | 29 December 2020 15:55 CET | Update | - |
| article pdf uploaded. | 29 December 2020 15:54 CET | Updated version of record | https://www.mdpi.com/2227-7390/9/1/56/pdf-vor |
| article xml uploaded. | 29 December 2020 15:54 CET | Update | - |
| article xml file uploaded | 29 December 2020 15:54 CET | Update | - |
| article html file updated | 29 December 2020 15:29 CET | Original file | - |
| article xml file uploaded | 29 December 2020 15:27 CET | Update | - |
| article pdf uploaded. | 29 December 2020 15:27 CET | Version of Record | https://www.mdpi.com/2227-7390/9/1/56/pdf-vor |
| article xml uploaded. | 29 December 2020 15:27 CET | Original file | - |
