| article html file updated | 31 August 2025 22:18 CEST | Update | https://www.mdpi.com/2227-9067/7/6/54 |
| article html file updated | 21 July 2022 06:42 CEST | Update | - |
| article html file updated | 6 July 2020 06:24 CEST | Update | - |
| article html file updated | 1 June 2020 14:00 CEST | Update | - |
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| article pdf uploaded. | 1 June 2020 13:59 CEST | Updated version of record | https://www.mdpi.com/2227-9067/7/6/54/pdf |
| article xml uploaded. | 1 June 2020 13:59 CEST | Update | https://www.mdpi.com/2227-9067/7/6/54/xml |
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