| article html file updated | 1 September 2025 00:42 CEST | Update | https://www.mdpi.com/2076-3921/9/6/552 |
| article html file updated | 21 July 2022 22:01 CEST | Update | N/A |
| article html file updated | 25 June 2020 11:19 CEST | Original file | N/A |
| article pdf uploaded. | 25 June 2020 11:17 CEST | Version of Record | https://www.mdpi.com/2076-3921/9/6/552/pdf |
| article xml uploaded. | 25 June 2020 11:17 CEST | Update | https://www.mdpi.com/2076-3921/9/6/552/xml |
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