| article html file updated | 31 August 2025 15:24 CEST | Update | https://www.mdpi.com/2079-6382/9/4/138 |
| article html file updated | 20 July 2022 23:54 CEST | Update | - |
| article html file updated | 31 March 2020 14:58 CEST | Original file | - |
| article pdf uploaded. | 31 March 2020 14:57 CEST | Updated version of record | https://www.mdpi.com/2079-6382/9/4/138/pdf |
| article xml uploaded. | 31 March 2020 14:57 CEST | Update | https://www.mdpi.com/2079-6382/9/4/138/xml |
| article xml file uploaded | 31 March 2020 14:57 CEST | Update | - |
| article pdf uploaded. | 25 March 2020 10:36 CET | Version of Record | https://www.mdpi.com/2079-6382/9/4/138/pdf-vor |
| article xml file uploaded | 25 March 2020 10:36 CET | Original file | - |
