| article html file updated | 2 September 2025 01:56 CEST | Update | https://www.mdpi.com/2227-9067/8/4/258 |
| article html file updated | 25 July 2022 09:34 CEST | Update | N/A |
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| article pdf uploaded. | 29 March 2021 03:48 CEST | Updated version of record | https://www.mdpi.com/2227-9067/8/4/258/pdf |
| article xml uploaded. | 29 March 2021 03:48 CEST | Update | https://www.mdpi.com/2227-9067/8/4/258/xml |
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| article pdf uploaded. | 27 March 2021 12:08 CET | Version of Record | https://www.mdpi.com/2227-9067/8/4/258/pdf-vor |
