| article html file updated | 1 September 2025 17:13 CEST | Update | https://www.mdpi.com/2413-8851/5/1/4 |
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| article html file updated | 29 December 2020 11:26 CET | Update | - |
| article pdf uploaded. | 29 December 2020 11:24 CET | Updated version of record | https://www.mdpi.com/2413-8851/5/1/4/pdf |
| article xml uploaded. | 29 December 2020 11:24 CET | Update | https://www.mdpi.com/2413-8851/5/1/4/xml |
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| article html file updated | 29 December 2020 07:40 CET | Original file | - |
| article supplementary file uploaded. | 29 December 2020 07:39 CET | - | https://www.mdpi.com/2413-8851/5/1/4#supplementary |
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| article xml uploaded. | 29 December 2020 07:39 CET | Update | - |
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