| article html file updated | 15 August 2026 10:22 CEST | Update | https://www.mdpi.com/2571-631X/1/2/18 |
| article html file updated | 30 August 2025 08:35 CEST | Update | N/A |
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| article pdf uploaded. | 21 January 2019 08:04 CET | Updated version of record | https://www.mdpi.com/2571-631X/1/2/18/pdf |
| article html file updated | 7 November 2018 09:54 CET | Original file | N/A |
| article pdf uploaded. | 7 November 2018 09:52 CET | Version of Record | https://www.mdpi.com/2571-631X/1/2/18/pdf-vor |
| article xml uploaded. | 7 November 2018 09:52 CET | Update | https://www.mdpi.com/2571-631X/1/2/18/xml |
| article xml file uploaded | 7 November 2018 09:52 CET | Original file | N/A |
