| article html file updated | 1 September 2025 15:55 CEST | Update | https://www.mdpi.com/2218-1997/6/12/241 |
| article html file updated | 23 July 2022 04:59 CEST | Update | N/A |
| article html file updated | 15 December 2020 10:52 CET | Original file | N/A |
| article pdf uploaded. | 15 December 2020 10:50 CET | Updated version of record | https://www.mdpi.com/2218-1997/6/12/241/pdf |
| article xml uploaded. | 15 December 2020 10:50 CET | Update | https://www.mdpi.com/2218-1997/6/12/241/xml |
| article xml file uploaded | 15 December 2020 10:50 CET | Original file | N/A |
| article pdf uploaded. | 13 December 2020 14:14 CET | Version of Record | https://www.mdpi.com/2218-1997/6/12/241/pdf-vor |
