| article html file updated | 31 August 2025 06:42 CEST | Update | https://www.mdpi.com/2226-4310/6/12/134 |
| article html file updated | 19 July 2022 21:34 CEST | Update | - |
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| article pdf uploaded. | 19 December 2019 08:13 CET | Updated version of record | https://www.mdpi.com/2226-4310/6/12/134/pdf |
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| article pdf uploaded. | 19 December 2019 08:12 CET | Updated version of record | https://www.mdpi.com/2226-4310/6/12/134/pdf-vor |
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| article pdf uploaded. | 16 December 2019 14:51 CET | Version of Record | https://www.mdpi.com/2226-4310/6/12/134/pdf-vor |
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