| article html file updated | 31 August 2025 20:44 CEST | Update | https://www.mdpi.com/2199-8531/6/2/37 |
| article html file updated | 21 July 2022 05:09 CEST | Update | N/A |
| article html file updated | 17 May 2020 17:30 CEST | Original file | N/A |
| article pdf uploaded. | 17 May 2020 17:29 CEST | Updated version of record | https://www.mdpi.com/2199-8531/6/2/37/pdf |
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