| article html file updated | 21 August 2026 05:43 CEST | Update | https://www.mdpi.com/1996-1073/15/1/168 |
| article html file updated | 31 July 2022 00:46 CEST | Update | N/A |
| article html file updated | 28 December 2021 04:15 CET | Original file | N/A |
| article pdf uploaded. | 28 December 2021 04:14 CET | Updated version of record | https://www.mdpi.com/1996-1073/15/1/168/pdf |
| article xml uploaded. | 28 December 2021 04:14 CET | Update | https://www.mdpi.com/1996-1073/15/1/168/xml |
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| article pdf uploaded. | 27 December 2021 17:20 CET | Version of Record | https://www.mdpi.com/1996-1073/15/1/168/pdf-vor |
