| article html file updated | 2 September 2025 02:39 CEST | Update | https://www.mdpi.com/1999-4907/12/4/431 |
| article html file updated | 25 July 2022 10:39 CEST | Update | - |
| article html file updated | 4 August 2021 04:53 CEST | Update | - |
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| article html file updated | 23 April 2021 17:16 CEST | Update | - |
| article pdf uploaded. | 23 April 2021 17:14 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/431/pdf |
| article xml uploaded. | 23 April 2021 17:14 CEST | Update | https://www.mdpi.com/1999-4907/12/4/431/xml |
| article xml file uploaded | 23 April 2021 17:14 CEST | Update | - |
| article html file updated | 23 April 2021 06:24 CEST | Original file | - |
| article pdf uploaded. | 23 April 2021 06:22 CEST | Updated version of record | https://www.mdpi.com/1999-4907/12/4/431/pdf-vor |
| article xml file uploaded | 23 April 2021 06:22 CEST | Original file | - |
| article pdf uploaded. | 3 April 2021 06:04 CEST | Version of Record | https://www.mdpi.com/1999-4907/12/4/431/pdf-vor |
