| article html file updated | 31 August 2025 08:55 CEST | Update | https://www.mdpi.com/1424-2818/12/1/29 |
| article html file updated | 20 July 2022 17:26 CEST | Update | - |
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| article html file updated | 21 January 2020 11:59 CET | Original file | - |
| article pdf uploaded. | 21 January 2020 11:56 CET | Updated version of record | https://www.mdpi.com/1424-2818/12/1/29/pdf |
| article xml uploaded. | 21 January 2020 11:56 CET | Update | https://www.mdpi.com/1424-2818/12/1/29/xml |
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| article pdf uploaded. | 13 January 2020 16:53 CET | Version of Record | https://www.mdpi.com/1424-2818/12/1/29/pdf-vor |
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