| article html file updated | 31 August 2025 05:34 CEST | Update | https://www.mdpi.com/2072-6643/11/12/2921 |
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| article pdf uploaded. | 18 December 2019 14:29 CET | Updated version of record | https://www.mdpi.com/2072-6643/11/12/2921/pdf |
| article xml uploaded. | 18 December 2019 14:29 CET | Update | https://www.mdpi.com/2072-6643/11/12/2921/xml |
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| article pdf uploaded. | 2 December 2019 16:18 CET | Version of Record | https://www.mdpi.com/2072-6643/11/12/2921/pdf-vor |
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