| article html file updated | 1 September 2025 12:22 CEST | Update | https://www.mdpi.com/2227-7099/8/4/93 |
| article html file updated | 22 July 2022 23:14 CEST | Update | - |
| article html file updated | 30 October 2020 13:25 CET | Original file | - |
| article pdf uploaded. | 30 October 2020 13:24 CET | Version of Record | https://www.mdpi.com/2227-7099/8/4/93/pdf |
| article xml uploaded. | 30 October 2020 13:24 CET | Update | https://www.mdpi.com/2227-7099/8/4/93/xml |
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