| article html file updated | 30 August 2025 14:13 CEST | Update | https://www.mdpi.com/2073-4395/9/4/204 |
| article html file updated | 19 July 2022 17:45 CEST | Update | N/A |
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| article pdf uploaded. | 22 April 2019 04:35 CEST | Updated version of record | https://www.mdpi.com/2073-4395/9/4/204/pdf |
| article xml uploaded. | 22 April 2019 04:35 CEST | Update | https://www.mdpi.com/2073-4395/9/4/204/xml |
| article xml file uploaded | 22 April 2019 04:35 CEST | Update | N/A |
| article html file updated | 20 April 2019 13:03 CEST | Original file | N/A |
| article pdf uploaded. | 20 April 2019 13:02 CEST | Version of Record | https://www.mdpi.com/2073-4395/9/4/204/pdf-vor |
| article xml file uploaded | 20 April 2019 13:02 CEST | Original file | N/A |
