| article html file updated | 2 September 2025 03:00 CEST | Update | https://www.mdpi.com/2227-9067/8/4/285 |
| article html file updated | 25 July 2022 11:08 CEST | Update | - |
| article html file updated | 4 August 2021 14:08 CEST | Update | - |
| article html file updated | 11 April 2021 13:17 CEST | Update | - |
| article html file updated | 8 April 2021 08:32 CEST | Update | - |
| article pdf uploaded. | 8 April 2021 08:31 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/4/285/pdf |
| article xml uploaded. | 8 April 2021 08:31 CEST | Update | https://www.mdpi.com/2227-9067/8/4/285/xml |
| article xml file uploaded | 8 April 2021 08:31 CEST | Update | - |
| article html file updated | 8 April 2021 07:46 CEST | Original file | - |
| article pdf uploaded. | 8 April 2021 07:45 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/4/285/pdf-vor |
| article xml file uploaded | 8 April 2021 07:45 CEST | Original file | - |
| article pdf uploaded. | 7 April 2021 14:16 CEST | Version of Record | https://www.mdpi.com/2227-9067/8/4/285/pdf-vor |
