| article html file updated | 31 August 2025 16:54 CEST | Update | https://www.mdpi.com/2227-9032/8/2/91 |
| article html file updated | 21 July 2022 01:23 CEST | Update | N/A |
| article html file updated | 9 April 2020 12:57 CEST | Original file | N/A |
| article pdf uploaded. | 9 April 2020 12:56 CEST | Version of Record | https://www.mdpi.com/2227-9032/8/2/91/pdf |
| article xml uploaded. | 9 April 2020 12:56 CEST | Update | https://www.mdpi.com/2227-9032/8/2/91/xml |
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