| article html file updated | 1 September 2025 17:23 CEST | Update | https://www.mdpi.com/2227-9040/9/1/7 |
| article html file updated | 23 July 2022 08:44 CEST | Update | - |
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| article html file updated | 31 December 2020 08:29 CET | Original file | - |
| article pdf uploaded. | 31 December 2020 08:28 CET | Updated version of record | https://www.mdpi.com/2227-9040/9/1/7/pdf |
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| article supplementary file uploaded. | 30 December 2020 14:11 CET | - | https://www.mdpi.com/2227-9040/9/1/7#supplementary |
| article pdf uploaded. | 30 December 2020 14:11 CET | Version of Record | https://www.mdpi.com/2227-9040/9/1/7/pdf-vor |
