| article html file updated | 18 August 2026 22:16 CEST | Update | https://www.mdpi.com/2227-9059/9/2/177 |
| article html file updated | 25 December 2025 03:53 CET | Update | N/A |
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| article pdf uploaded. | 22 February 2021 10:07 CET | Updated version of record | https://www.mdpi.com/2227-9059/9/2/177/pdf |
| article xml uploaded. | 22 February 2021 10:07 CET | Update | https://www.mdpi.com/2227-9059/9/2/177/xml |
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| article pdf uploaded. | 12 February 2021 14:46 CET | Updated version of record | https://www.mdpi.com/2227-9059/9/2/177/pdf-vor |
| article pdf uploaded. | 11 February 2021 12:29 CET | Version of Record | https://www.mdpi.com/2227-9059/9/2/177/pdf-vor |