| article html file updated | 31 August 2025 15:45 CEST | Update | https://www.mdpi.com/2227-9059/8/4/71 |
| article html file updated | 21 July 2022 00:14 CEST | Update | N/A |
| article html file updated | 8 May 2020 12:29 CEST | Update | N/A |
| article html file updated | 28 March 2020 10:48 CET | Original file | N/A |
| article pdf uploaded. | 28 March 2020 10:46 CET | Version of Record | https://www.mdpi.com/2227-9059/8/4/71/pdf |
| article xml uploaded. | 28 March 2020 10:46 CET | Update | https://www.mdpi.com/2227-9059/8/4/71/xml |
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