| article html file updated | 1 September 2025 11:06 CEST | Update | https://www.mdpi.com/2227-9032/8/4/406 |
| article html file updated | 22 July 2022 21:20 CEST | Update | N/A |
| article html file updated | 3 November 2020 10:20 CET | Original file | N/A |
| article pdf uploaded. | 3 November 2020 10:19 CET | Updated version of record | https://www.mdpi.com/2227-9032/8/4/406/pdf |
| article xml uploaded. | 3 November 2020 10:19 CET | Update | https://www.mdpi.com/2227-9032/8/4/406/xml |
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| article pdf uploaded. | 16 October 2020 14:12 CEST | Version of Record | https://www.mdpi.com/2227-9032/8/4/406/pdf-vor |
