| article html file updated | 2 September 2025 02:52 CEST | Update | https://www.mdpi.com/2227-9091/9/4/68 |
| article html file updated | 25 July 2022 10:58 CEST | Update | - |
| article html file updated | 4 August 2021 10:47 CEST | Update | - |
| article html file updated | 11 April 2021 10:07 CEST | Update | - |
| article html file updated | 6 April 2021 14:33 CEST | Original file | - |
| article pdf uploaded. | 6 April 2021 14:32 CEST | Version of Record | https://www.mdpi.com/2227-9091/9/4/68/pdf |
| article xml uploaded. | 6 April 2021 14:32 CEST | Update | https://www.mdpi.com/2227-9091/9/4/68/xml |
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