| article html file updated | 24 December 2025 16:49 CET | Update | https://www.mdpi.com/1424-2818/12/1/8 |
| article html file updated | 31 August 2025 07:07 CEST | Update | N/A |
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| article html file updated | 27 December 2019 11:25 CET | Original file | N/A |
| article pdf uploaded. | 27 December 2019 11:23 CET | Updated version of record | https://www.mdpi.com/1424-2818/12/1/8/pdf |
| article xml uploaded. | 27 December 2019 11:23 CET | Update | https://www.mdpi.com/1424-2818/12/1/8/xml |
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| article pdf uploaded. | 20 December 2019 14:48 CET | Version of Record | https://www.mdpi.com/1424-2818/12/1/8/pdf-vor |
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