| article html file updated | 31 August 2025 16:18 CEST | Update | https://www.mdpi.com/2227-7390/8/4/508 |
| article html file updated | 21 July 2022 00:47 CEST | Update | N/A |
| article html file updated | 3 April 2020 10:51 CEST | Original file | N/A |
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| article pdf uploaded. | 2 April 2020 15:48 CEST | Version of Record | https://www.mdpi.com/2227-7390/8/4/508/pdf-vor |
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