| article html file updated | 1 September 2025 06:23 CEST | Update | https://www.mdpi.com/2218-1997/6/9/132 |
| article html file updated | 22 July 2022 04:26 CEST | Update | N/A |
| article html file updated | 9 October 2020 19:44 CEST | Update | N/A |
| article html file updated | 2 September 2020 10:41 CEST | Original file | N/A |
| article pdf uploaded. | 2 September 2020 10:40 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/9/132/pdf |
| article xml uploaded. | 2 September 2020 10:40 CEST | Update | https://www.mdpi.com/2218-1997/6/9/132/xml |
| article xml file uploaded | 2 September 2020 10:40 CEST | Original file | N/A |
| article pdf uploaded. | 22 August 2020 10:23 CEST | Version of Record | https://www.mdpi.com/2218-1997/6/9/132/pdf-vor |
