| article html file updated | 2 September 2025 02:13 CEST | Update | https://www.mdpi.com/2227-9717/9/4/608 |
| article html file updated | 22 August 2025 00:48 CEST | Update | N/A |
| article html file updated | 25 July 2022 09:59 CEST | Update | N/A |
| article html file updated | 3 August 2021 17:32 CEST | Update | N/A |
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| article html file updated | 31 March 2021 08:46 CEST | Original file | N/A |
| article pdf uploaded. | 31 March 2021 08:45 CEST | Updated version of record | https://www.mdpi.com/2227-9717/9/4/608/pdf |
| article xml uploaded. | 31 March 2021 08:45 CEST | Update | https://www.mdpi.com/2227-9717/9/4/608/xml |
| article xml file uploaded | 31 March 2021 08:45 CEST | Original file | N/A |
| article pdf uploaded. | 30 March 2021 16:55 CEST | Updated version of record | https://www.mdpi.com/2227-9717/9/4/608/pdf-vor |
| article pdf uploaded. | 30 March 2021 16:33 CEST | Version of Record | https://www.mdpi.com/2227-9717/9/4/608/pdf-vor |
