| article html file updated | 31 August 2025 19:15 CEST | Update | https://www.mdpi.com/2199-8531/6/2/34 |
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| article pdf uploaded. | 2 May 2020 07:44 CEST | Updated version of record | https://www.mdpi.com/2199-8531/6/2/34/pdf-vor |
| article xml file uploaded | 2 May 2020 07:44 CEST | Update | - |
| article pdf uploaded. | 2 May 2020 07:43 CEST | Version of Record | https://www.mdpi.com/2199-8531/6/2/34/pdf-vor |
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