| article html file updated | 2 September 2025 01:32 CEST | Update | https://www.mdpi.com/2227-9067/8/4/253 |
| article html file updated | 25 July 2022 08:59 CEST | Update | - |
| article html file updated | 2 August 2021 23:12 CEST | Update | - |
| article html file updated | 19 April 2021 13:45 CEST | Update | - |
| article pdf uploaded. | 19 April 2021 13:44 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/4/253/pdf |
| article xml uploaded. | 19 April 2021 13:44 CEST | Update | https://www.mdpi.com/2227-9067/8/4/253/xml |
| article xml file uploaded | 19 April 2021 13:44 CEST | Update | - |
| article html file updated | 24 March 2021 07:47 CET | Original file | - |
| article pdf uploaded. | 24 March 2021 07:46 CET | Version of Record | https://www.mdpi.com/2227-9067/8/4/253/pdf-vor |
| article xml file uploaded | 24 March 2021 07:46 CET | Original file | - |
