| article html file updated | 30 August 2025 14:22 CEST | Update | https://www.mdpi.com/1999-4893/12/4/87 |
| article html file updated | 21 August 2025 20:47 CEST | Update | - |
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| article html file updated | 26 April 2019 08:02 CEST | Original file | - |
| article pdf uploaded. | 26 April 2019 08:01 CEST | Updated version of record | https://www.mdpi.com/1999-4893/12/4/87/pdf |
| article xml uploaded. | 26 April 2019 08:01 CEST | Update | https://www.mdpi.com/1999-4893/12/4/87/xml |
| article xml file uploaded | 26 April 2019 08:01 CEST | Update | - |
| article pdf uploaded. | 25 April 2019 15:37 CEST | Version of Record | https://www.mdpi.com/1999-4893/12/4/87/pdf-vor |
| article xml file uploaded | 25 April 2019 15:37 CEST | Original file | - |
