| article html file updated | 1 September 2025 09:34 CEST | Update | https://www.mdpi.com/2218-1997/6/10/159 |
| article html file updated | 22 July 2022 08:48 CEST | Update | - |
| article html file updated | 28 September 2020 03:08 CEST | Original file | - |
| article pdf uploaded. | 28 September 2020 03:06 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/10/159/pdf |
| article xml uploaded. | 28 September 2020 03:06 CEST | Update | https://www.mdpi.com/2218-1997/6/10/159/xml |
| article xml file uploaded | 28 September 2020 03:06 CEST | Original file | - |
| article pdf uploaded. | 27 September 2020 11:24 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/10/159/pdf-vor |
