| article html file updated | 31 August 2025 23:40 CEST | Update | https://www.mdpi.com/2076-0817/9/6/471 |
| article html file updated | 21 July 2022 20:55 CEST | Update | - |
| article html file updated | 15 June 2020 13:26 CEST | Update | - |
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| article pdf uploaded. | 15 June 2020 13:24 CEST | Updated version of record | https://www.mdpi.com/2076-0817/9/6/471/pdf |
| article xml uploaded. | 15 June 2020 13:24 CEST | Update | https://www.mdpi.com/2076-0817/9/6/471/xml |
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