| article html file updated | 30 August 2025 20:32 CEST | Update | https://www.mdpi.com/2073-4344/9/6/502 |
| article html file updated | 19 July 2022 19:25 CEST | Update | - |
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| article html file updated | 31 May 2019 11:13 CEST | Original file | - |
| article pdf uploaded. | 31 May 2019 11:12 CEST | Version of Record | https://www.mdpi.com/2073-4344/9/6/502/pdf |
| article xml uploaded. | 31 May 2019 11:12 CEST | Update | https://www.mdpi.com/2073-4344/9/6/502/xml |
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