| article html file updated | 1 September 2025 19:00 CEST | Update | https://www.mdpi.com/2227-9709/8/1/2 |
| article html file updated | 23 July 2022 19:06 CEST | Update | N/A |
| article html file updated | 20 January 2021 15:36 CET | Update | N/A |
| article pdf uploaded. | 20 January 2021 15:35 CET | Updated version of record | https://www.mdpi.com/2227-9709/8/1/2/pdf |
| article xml uploaded. | 20 January 2021 15:35 CET | Update | https://www.mdpi.com/2227-9709/8/1/2/xml |
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| article html file updated | 18 January 2021 16:06 CET | Original file | N/A |
| article pdf uploaded. | 18 January 2021 16:05 CET | Version of Record | https://www.mdpi.com/2227-9709/8/1/2/pdf-vor |
| article xml uploaded. | 18 January 2021 16:05 CET | Update | N/A |
| article xml file uploaded | 18 January 2021 16:05 CET | Original file | N/A |
