| article html file updated | 1 September 2025 10:30 CEST | Update | https://www.mdpi.com/2079-3197/8/4/87 |
| article html file updated | 22 July 2022 10:14 CEST | Update | - |
| article html file updated | 28 October 2020 12:15 CET | Original file | - |
| article pdf uploaded. | 28 October 2020 12:13 CET | Updated version of record | https://www.mdpi.com/2079-3197/8/4/87/pdf |
| article xml uploaded. | 28 October 2020 12:13 CET | Update | https://www.mdpi.com/2079-3197/8/4/87/xml |
| article xml file uploaded | 28 October 2020 12:13 CET | Original file | - |
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