| article html file updated | 1 September 2025 18:59 CEST | Update | https://www.mdpi.com/1996-1073/14/2/491 |
| article html file updated | 23 July 2022 19:01 CEST | Update | N/A |
| article html file updated | 19 January 2021 08:42 CET | Original file | N/A |
| article pdf uploaded. | 19 January 2021 08:40 CET | Updated version of record | https://www.mdpi.com/1996-1073/14/2/491/pdf |
| article xml uploaded. | 19 January 2021 08:40 CET | Update | https://www.mdpi.com/1996-1073/14/2/491/xml |
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| article pdf uploaded. | 18 January 2021 15:20 CET | Version of Record | https://www.mdpi.com/1996-1073/14/2/491/pdf-vor |
