| article html file updated | 16 August 2026 13:57 CEST | Update | https://www.mdpi.com/2218-1997/5/9/202 |
| article html file updated | 31 August 2025 01:42 CEST | Update | N/A |
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| article html file updated | 20 September 2019 12:04 CEST | Original file | N/A |
| article pdf uploaded. | 20 September 2019 12:02 CEST | Updated version of record | https://www.mdpi.com/2218-1997/5/9/202/pdf |
| article xml uploaded. | 20 September 2019 12:02 CEST | Update | https://www.mdpi.com/2218-1997/5/9/202/xml |
| article xml file uploaded | 20 September 2019 12:02 CEST | Update | N/A |
| article pdf uploaded. | 19 September 2019 15:47 CEST | Version of Record | https://www.mdpi.com/2218-1997/5/9/202/pdf-vor |
| article xml file uploaded | 19 September 2019 15:47 CEST | Original file | N/A |
