| article html file updated | 2 September 2025 02:38 CEST | Update | https://www.mdpi.com/2227-9032/9/4/412 |
| article html file updated | 25 July 2022 10:37 CEST | Update | - |
| article html file updated | 4 August 2021 04:30 CEST | Update | - |
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| article html file updated | 7 April 2021 04:32 CEST | Update | - |
| article pdf uploaded. | 7 April 2021 04:30 CEST | Updated version of record | https://www.mdpi.com/2227-9032/9/4/412/pdf |
| article xml uploaded. | 7 April 2021 04:30 CEST | Update | https://www.mdpi.com/2227-9032/9/4/412/xml |
| article xml file uploaded | 7 April 2021 04:30 CEST | Update | - |
| article html file updated | 5 April 2021 06:05 CEST | Original file | - |
| article pdf uploaded. | 5 April 2021 06:04 CEST | Updated version of record | https://www.mdpi.com/2227-9032/9/4/412/pdf-vor |
| article xml file uploaded | 5 April 2021 06:04 CEST | Original file | - |
| article pdf uploaded. | 2 April 2021 16:12 CEST | Version of Record | https://www.mdpi.com/2227-9032/9/4/412/pdf-vor |
