| article html file updated | 1 September 2025 00:38 CEST | Update | https://www.mdpi.com/2410-387X/4/2/18 |
| article html file updated | 21 July 2022 21:56 CEST | Update | - |
| article html file updated | 30 June 2020 06:22 CEST | Original file | - |
| article pdf uploaded. | 30 June 2020 06:20 CEST | Updated version of record | https://www.mdpi.com/2410-387X/4/2/18/pdf |
| article xml uploaded. | 30 June 2020 06:20 CEST | Update | https://www.mdpi.com/2410-387X/4/2/18/xml |
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| article pdf uploaded. | 24 June 2020 13:58 CEST | Version of Record | https://www.mdpi.com/2410-387X/4/2/18/pdf-vor |
