| article html file updated | 2 September 2025 01:49 CEST | Update | https://www.mdpi.com/2227-9717/9/4/581 |
| article html file updated | 25 July 2022 09:23 CEST | Update | N/A |
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| article pdf uploaded. | 31 March 2021 05:13 CEST | Updated version of record | https://www.mdpi.com/2227-9717/9/4/581/pdf |
| article xml uploaded. | 31 March 2021 05:13 CEST | Update | https://www.mdpi.com/2227-9717/9/4/581/xml |
| article xml file uploaded | 31 March 2021 05:13 CEST | Original file | N/A |
| article pdf uploaded. | 26 March 2021 10:28 CET | Version of Record | https://www.mdpi.com/2227-9717/9/4/581/pdf-vor |
