| article html file updated | 2 September 2025 10:05 CEST | Update | https://www.mdpi.com/2218-1997/7/6/189 |
| article html file updated | 26 July 2022 23:06 CEST | Update | - |
| article html file updated | 16 June 2021 10:19 CEST | Update | - |
| article pdf uploaded. | 16 June 2021 10:17 CEST | Updated version of record | https://www.mdpi.com/2218-1997/7/6/189/pdf |
| article xml uploaded. | 16 June 2021 10:17 CEST | Update | https://www.mdpi.com/2218-1997/7/6/189/xml |
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| article html file updated | 9 June 2021 10:01 CEST | Update | - |
| article html file updated | 9 June 2021 07:08 CEST | Original file | - |
| article pdf uploaded. | 9 June 2021 07:07 CEST | Updated version of record | https://www.mdpi.com/2218-1997/7/6/189/pdf-vor |
| article xml file uploaded | 9 June 2021 07:07 CEST | Original file | - |
| article pdf uploaded. | 6 June 2021 13:00 CEST | Version of Record | https://www.mdpi.com/2218-1997/7/6/189/pdf-vor |
