| article html file updated | 1 September 2025 21:55 CEST | Update | https://www.mdpi.com/2226-471X/6/1/31 |
| article html file updated | 25 July 2022 03:49 CEST | Update | - |
| article html file updated | 22 February 2021 15:35 CET | Update | - |
| article pdf uploaded. | 22 February 2021 15:33 CET | Updated version of record | https://www.mdpi.com/2226-471X/6/1/31/pdf |
| article xml uploaded. | 22 February 2021 15:33 CET | Update | https://www.mdpi.com/2226-471X/6/1/31/xml |
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| article html file updated | 17 February 2021 12:27 CET | Original file | - |
| article pdf uploaded. | 17 February 2021 12:26 CET | Version of Record | https://www.mdpi.com/2226-471X/6/1/31/pdf-vor |
| article xml uploaded. | 17 February 2021 12:26 CET | Update | - |
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