| article html file updated | 25 December 2025 03:11 CET | Update | https://www.mdpi.com/2218-1997/7/2/32 |
| article html file updated | 1 September 2025 20:17 CEST | Update | N/A |
| article html file updated | 24 July 2022 08:57 CEST | Update | N/A |
| article html file updated | 7 February 2021 10:07 CET | Original file | N/A |
| article pdf uploaded. | 7 February 2021 10:05 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/2/32/pdf |
| article xml uploaded. | 7 February 2021 10:05 CET | Update | https://www.mdpi.com/2218-1997/7/2/32/xml |
| article xml file uploaded | 7 February 2021 10:05 CET | Original file | N/A |
| article pdf uploaded. | 31 January 2021 12:56 CET | Version of Record | https://www.mdpi.com/2218-1997/7/2/32/pdf-vor |
