| article html file updated | 1 September 2025 16:41 CEST | Update | https://www.mdpi.com/1996-1073/14/1/9 |
| article html file updated | 23 July 2022 06:30 CEST | Update | - |
| article html file updated | 23 December 2020 10:17 CET | Update | - |
| article pdf uploaded. | 23 December 2020 10:07 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/1/9/pdf |
| article xml uploaded. | 23 December 2020 10:07 CET | Update | https://www.mdpi.com/1996-1073/14/1/9/xml |
| article xml file uploaded | 23 December 2020 10:07 CET | Update | - |
| article html file updated | 22 December 2020 12:56 CET | Original file | - |
| article supplementary file uploaded. | 22 December 2020 12:55 CET | - | https://www.mdpi.com/1996-1073/14/1/9#supplementary |
| article pdf uploaded. | 22 December 2020 12:55 CET | Version of Record | https://www.mdpi.com/1996-1073/14/1/9/pdf-vor |
| article xml uploaded. | 22 December 2020 12:55 CET | Update | - |
| article xml file uploaded | 22 December 2020 12:54 CET | Original file | - |
