| article html file updated | 1 September 2025 00:50 CEST | Update | https://www.mdpi.com/2079-7737/9/6/140 |
| article html file updated | 21 July 2022 22:08 CEST | Update | N/A |
| article html file updated | 30 June 2020 08:29 CEST | Original file | N/A |
| article pdf uploaded. | 30 June 2020 08:27 CEST | Updated version of record | https://www.mdpi.com/2079-7737/9/6/140/pdf |
| article xml uploaded. | 30 June 2020 08:27 CEST | Update | https://www.mdpi.com/2079-7737/9/6/140/xml |
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| article pdf uploaded. | 26 June 2020 12:32 CEST | Version of Record | https://www.mdpi.com/2079-7737/9/6/140/pdf-vor |
