| article html file updated | 31 August 2025 04:33 CEST | Update | https://www.mdpi.com/2079-6374/9/4/135 |
| article html file updated | 19 July 2022 23:45 CEST | Update | - |
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| article pdf uploaded. | 18 November 2019 12:14 CET | Updated version of record | https://www.mdpi.com/2079-6374/9/4/135/pdf |
| article xml uploaded. | 18 November 2019 12:14 CET | Update | https://www.mdpi.com/2079-6374/9/4/135/xml |
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| article html file updated | 13 November 2019 11:18 CET | Original file | - |
| article pdf uploaded. | 13 November 2019 11:13 CET | Version of Record | https://www.mdpi.com/2079-6374/9/4/135/pdf-vor |
| article xml uploaded. | 13 November 2019 11:13 CET | Update | - |
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