| article html file updated | 31 August 2025 01:39 CEST | Update | https://www.mdpi.com/2073-4360/11/9/1521 |
| article html file updated | 20 July 2022 03:09 CEST | Update | N/A |
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| article html file updated | 19 September 2019 10:11 CEST | Original file | N/A |
| article pdf uploaded. | 19 September 2019 10:06 CEST | Version of Record | https://www.mdpi.com/2073-4360/11/9/1521/pdf |
| article xml uploaded. | 19 September 2019 10:06 CEST | Update | https://www.mdpi.com/2073-4360/11/9/1521/xml |
| article xml file uploaded | 19 September 2019 10:06 CEST | Original file | N/A |
