| article html file updated | 25 December 2025 01:16 CET | Update | https://www.mdpi.com/2227-7102/11/1/9 |
| article html file updated | 1 September 2025 17:31 CEST | Update | N/A |
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| article html file updated | 4 January 2021 10:36 CET | Update | N/A |
| article pdf uploaded. | 4 January 2021 10:35 CET | Updated version of record | https://www.mdpi.com/2227-7102/11/1/9/pdf |
| article xml uploaded. | 4 January 2021 10:35 CET | Update | https://www.mdpi.com/2227-7102/11/1/9/xml |
| article xml file uploaded | 4 January 2021 10:35 CET | Update | N/A |
| article html file updated | 31 December 2020 15:20 CET | Original file | N/A |
| article pdf uploaded. | 31 December 2020 15:19 CET | Version of Record | https://www.mdpi.com/2227-7102/11/1/9/pdf-vor |
| article xml uploaded. | 31 December 2020 15:19 CET | Update | N/A |
| article xml file uploaded | 31 December 2020 15:19 CET | Original file | N/A |
