| article html file updated | 31 August 2025 17:48 CEST | Update | https://www.mdpi.com/2076-3921/9/4/326 |
| article html file updated | 21 July 2022 02:16 CEST | Update | - |
| article html file updated | 21 April 2020 07:23 CEST | Update | - |
| article pdf uploaded. | 21 April 2020 07:21 CEST | Updated version of record | https://www.mdpi.com/2076-3921/9/4/326/pdf |
| article xml uploaded. | 21 April 2020 07:21 CEST | Update | https://www.mdpi.com/2076-3921/9/4/326/xml |
| article xml file uploaded | 21 April 2020 07:21 CEST | Update | - |
| article html file updated | 17 April 2020 16:39 CEST | Original file | - |
| article pdf uploaded. | 17 April 2020 16:37 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/4/326/pdf-vor |
| article xml file uploaded | 17 April 2020 16:37 CEST | Original file | - |
