| article html file updated | 24 December 2025 15:45 CET | Update | https://www.mdpi.com/2075-4701/9/9/949 |
| article html file updated | 31 August 2025 00:40 CEST | Update | N/A |
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| article html file updated | 4 September 2019 04:21 CEST | Original file | N/A |
| article pdf uploaded. | 4 September 2019 04:20 CEST | Updated version of record | https://www.mdpi.com/2075-4701/9/9/949/pdf |
| article xml uploaded. | 4 September 2019 04:20 CEST | Update | https://www.mdpi.com/2075-4701/9/9/949/xml |
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| article pdf uploaded. | 29 August 2019 16:56 CEST | Version of Record | https://www.mdpi.com/2075-4701/9/9/949/pdf-vor |
| article xml file uploaded | 29 August 2019 16:56 CEST | Original file | N/A |
