| article html file updated | 31 August 2025 22:45 CEST | Update | https://www.mdpi.com/2079-9276/9/6/68 |
| article html file updated | 21 July 2022 07:10 CEST | Update | - |
| article html file updated | 6 June 2020 03:25 CEST | Update | - |
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| article pdf uploaded. | 5 June 2020 13:48 CEST | Updated version of record | https://www.mdpi.com/2079-9276/9/6/68/pdf |
| article xml uploaded. | 5 June 2020 13:48 CEST | Update | https://www.mdpi.com/2079-9276/9/6/68/xml |
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