| article html file updated | 30 August 2025 20:40 CEST | Update | https://www.mdpi.com/2076-3921/8/6/159 |
| article html file updated | 19 July 2022 19:34 CEST | Update | - |
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| article xml uploaded. | 24 June 2019 11:00 CEST | Update | https://www.mdpi.com/2076-3921/8/6/159/xml |
| article pdf uploaded. | 24 June 2019 11:00 CEST | Updated version of record | https://www.mdpi.com/2076-3921/8/6/159/pdf |
| article html file updated | 3 June 2019 12:55 CEST | Original file | - |
| article pdf uploaded. | 3 June 2019 12:53 CEST | Version of Record | https://www.mdpi.com/2076-3921/8/6/159/pdf-vor |
| article xml file uploaded | 3 June 2019 12:53 CEST | Original file | - |
