| article html file updated | 31 August 2025 15:48 CEST | Update | https://www.mdpi.com/2227-7390/8/4/469 |
| article html file updated | 21 July 2022 00:17 CEST | Update | - |
| article html file updated | 30 March 2020 07:46 CEST | Original file | - |
| article pdf uploaded. | 30 March 2020 07:45 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/4/469/pdf |
| article xml uploaded. | 30 March 2020 07:45 CEST | Update | https://www.mdpi.com/2227-7390/8/4/469/xml |
| article xml file uploaded | 30 March 2020 07:45 CEST | Update | - |
| article pdf uploaded. | 29 March 2020 06:44 CEST | Version of Record | https://www.mdpi.com/2227-7390/8/4/469/pdf-vor |
| article xml file uploaded | 29 March 2020 06:44 CEST | Original file | - |
