| article html file updated | 2 September 2025 06:20 CEST | Update | https://www.mdpi.com/2221-3759/9/2/19 |
| article html file updated | 26 July 2022 18:23 CEST | Update | - |
| article html file updated | 18 May 2021 03:33 CEST | Update | - |
| article pdf uploaded. | 18 May 2021 03:32 CEST | Updated version of record | https://www.mdpi.com/2221-3759/9/2/19/pdf |
| article xml uploaded. | 18 May 2021 03:32 CEST | Update | https://www.mdpi.com/2221-3759/9/2/19/xml |
| article xml file uploaded | 18 May 2021 03:32 CEST | Update | - |
| article html file updated | 7 May 2021 11:29 CEST | Original file | - |
| article supplementary file uploaded. | 7 May 2021 11:28 CEST | - | https://www.mdpi.com/2221-3759/9/2/19#supplementary |
| article pdf uploaded. | 7 May 2021 11:28 CEST | Version of Record | https://www.mdpi.com/2221-3759/9/2/19/pdf-vor |
| article xml file uploaded | 7 May 2021 11:28 CEST | Original file | - |
