| article html file updated | 7 September 2025 01:23 CEST | Update | https://www.mdpi.com/2221-3759/9/4/39 |
| article html file updated | 30 July 2022 07:04 CEST | Update | - |
| article html file updated | 27 September 2021 10:17 CEST | Update | - |
| article html file updated | 26 September 2021 10:00 CEST | Update | - |
| article html file updated | 26 September 2021 09:38 CEST | Original file | - |
| article supplementary file uploaded. | 26 September 2021 09:37 CEST | - | https://www.mdpi.com/2221-3759/9/4/39#supplementary |
| article pdf uploaded. | 26 September 2021 09:37 CEST | Updated version of record | https://www.mdpi.com/2221-3759/9/4/39/pdf |
| article xml uploaded. | 26 September 2021 09:37 CEST | Update | https://www.mdpi.com/2221-3759/9/4/39/xml |
| article xml file uploaded | 26 September 2021 09:37 CEST | Original file | - |
| article pdf uploaded. | 22 September 2021 15:46 CEST | Version of Record | https://www.mdpi.com/2221-3759/9/4/39/pdf-vor |
