| article html file updated | 31 August 2025 06:51 CEST | Update | https://www.mdpi.com/2072-4292/12/1/6 |
| article html file updated | 19 July 2022 21:25 CEST | Update | - |
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| article html file updated | 22 December 2019 14:03 CET | Original file | - |
| article pdf uploaded. | 22 December 2019 14:01 CET | Updated version of record | https://www.mdpi.com/2072-4292/12/1/6/pdf |
| article xml uploaded. | 22 December 2019 14:01 CET | Update | https://www.mdpi.com/2072-4292/12/1/6/xml |
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| article pdf uploaded. | 18 December 2019 10:17 CET | Version of Record | https://www.mdpi.com/2072-4292/12/1/6/pdf-vor |
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