| article html file updated | 31 August 2025 20:00 CEST | Update | https://www.mdpi.com/2306-5710/6/2/31 |
| article html file updated | 21 July 2022 04:25 CEST | Update | N/A |
| article html file updated | 11 May 2020 05:08 CEST | Original file | N/A |
| article pdf uploaded. | 11 May 2020 05:07 CEST | Version of Record | https://www.mdpi.com/2306-5710/6/2/31/pdf |
| article xml uploaded. | 11 May 2020 05:07 CEST | Update | https://www.mdpi.com/2306-5710/6/2/31/xml |
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