| article html file updated | 1 September 2025 13:12 CEST | Update | https://www.mdpi.com/2304-6732/7/4/109 |
| article html file updated | 23 July 2022 00:39 CEST | Update | - |
| article html file updated | 11 November 2020 11:15 CET | Original file | - |
| article pdf uploaded. | 11 November 2020 11:13 CET | Version of Record | https://www.mdpi.com/2304-6732/7/4/109/pdf |
| article xml uploaded. | 11 November 2020 11:13 CET | Update | https://www.mdpi.com/2304-6732/7/4/109/xml |
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