| article html file updated | 17 August 2026 15:20 CEST | Update | https://www.mdpi.com/2220-9964/9/6/391 |
| article html file updated | 24 December 2025 19:19 CET | Update | N/A |
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| article html file updated | 30 June 2020 08:57 CEST | Original file | N/A |
| article pdf uploaded. | 30 June 2020 08:54 CEST | Updated version of record | https://www.mdpi.com/2220-9964/9/6/391/pdf |
| article xml uploaded. | 30 June 2020 08:54 CEST | Update | https://www.mdpi.com/2220-9964/9/6/391/xml |
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| article pdf uploaded. | 15 June 2020 14:54 CEST | Updated version of record | https://www.mdpi.com/2220-9964/9/6/391/pdf-vor |
| article pdf uploaded. | 15 June 2020 14:54 CEST | Version of Record | https://www.mdpi.com/2220-9964/9/6/391/pdf-vor |
