| article html file updated | 24 December 2025 23:33 CET | Update | https://www.mdpi.com/2227-9040/8/4/117 |
| article html file updated | 1 September 2025 13:58 CEST | Update | N/A |
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| article html file updated | 23 November 2020 08:26 CET | Original file | N/A |
| article pdf uploaded. | 23 November 2020 08:24 CET | Updated version of record | https://www.mdpi.com/2227-9040/8/4/117/pdf |
| article xml uploaded. | 23 November 2020 08:24 CET | Update | https://www.mdpi.com/2227-9040/8/4/117/xml |
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| article pdf uploaded. | 20 November 2020 11:31 CET | Version of Record | https://www.mdpi.com/2227-9040/8/4/117/pdf-vor |
