| article html file updated | 25 December 2025 04:51 CET | Update | https://www.mdpi.com/2218-1997/7/3/48 |
| article html file updated | 1 September 2025 22:59 CEST | Update | N/A |
| article html file updated | 25 July 2022 05:18 CEST | Update | N/A |
| article html file updated | 19 March 2021 08:24 CET | Original file | N/A |
| article pdf uploaded. | 19 March 2021 08:23 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/3/48/pdf |
| article xml uploaded. | 19 March 2021 08:23 CET | Update | https://www.mdpi.com/2218-1997/7/3/48/xml |
| article xml file uploaded | 19 March 2021 08:23 CET | Original file | N/A |
| article pdf uploaded. | 27 February 2021 08:06 CET | Version of Record | https://www.mdpi.com/2218-1997/7/3/48/pdf-vor |
