| article html file updated | 2 September 2025 08:25 CEST | Update | https://www.mdpi.com/2218-1997/7/6/159 |
| article html file updated | 26 July 2022 20:51 CEST | Update | N/A |
| article html file updated | 26 May 2021 10:04 CEST | Update | N/A |
| article html file updated | 25 May 2021 11:21 CEST | Original file | N/A |
| article pdf uploaded. | 25 May 2021 11:20 CEST | Updated version of record | https://www.mdpi.com/2218-1997/7/6/159/pdf |
| article xml uploaded. | 25 May 2021 11:20 CEST | Update | https://www.mdpi.com/2218-1997/7/6/159/xml |
| article xml file uploaded | 25 May 2021 11:20 CEST | Original file | N/A |
| article pdf uploaded. | 22 May 2021 14:58 CEST | Version of Record | https://www.mdpi.com/2218-1997/7/6/159/pdf-vor |
