| article html file updated | 31 August 2025 18:07 CEST | Update | https://www.mdpi.com/2076-0760/9/4/56 |
| article html file updated | 21 July 2022 02:34 CEST | Update | - |
| article html file updated | 28 April 2020 04:56 CEST | Update | - |
| article pdf uploaded. | 28 April 2020 04:54 CEST | Updated version of record | https://www.mdpi.com/2076-0760/9/4/56/pdf |
| article xml uploaded. | 28 April 2020 04:54 CEST | Update | https://www.mdpi.com/2076-0760/9/4/56/xml |
| article xml file uploaded | 28 April 2020 04:54 CEST | Update | - |
| article html file updated | 27 April 2020 02:04 CEST | Original file | - |
| article pdf uploaded. | 27 April 2020 02:02 CEST | Updated version of record | https://www.mdpi.com/2076-0760/9/4/56/pdf-vor |
| article xml file uploaded | 27 April 2020 02:02 CEST | Update | - |
| article pdf uploaded. | 21 April 2020 14:44 CEST | Version of Record | https://www.mdpi.com/2076-0760/9/4/56/pdf-vor |
| article xml file uploaded | 21 April 2020 14:44 CEST | Original file | - |