| article html file updated | 31 August 2025 23:19 CEST | Update | https://www.mdpi.com/2227-9059/8/6/156 |
| article html file updated | 21 July 2022 20:34 CEST | Update | - |
| article html file updated | 17 June 2020 13:37 CEST | Update | - |
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| article pdf uploaded. | 11 June 2020 12:30 CEST | Version of Record | https://www.mdpi.com/2227-9059/8/6/156/pdf |
| article xml uploaded. | 11 June 2020 12:30 CEST | Update | https://www.mdpi.com/2227-9059/8/6/156/xml |
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