| article html file updated | 31 August 2025 22:42 CEST | Update | https://www.mdpi.com/2076-3921/9/6/492 |
| article html file updated | 21 July 2022 07:06 CEST | Update | N/A |
| article html file updated | 6 June 2020 02:17 CEST | Original file | N/A |
| article pdf uploaded. | 5 June 2020 09:14 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/6/492/pdf |
| article xml uploaded. | 5 June 2020 09:14 CEST | Update | https://www.mdpi.com/2076-3921/9/6/492/xml |
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