| article html file updated | 25 December 2025 05:52 CET | Update | https://www.mdpi.com/2218-1997/7/3/68 |
| article html file updated | 2 September 2025 00:29 CEST | Update | N/A |
| article html file updated | 25 July 2022 07:28 CEST | Update | N/A |
| article html file updated | 17 March 2021 08:15 CET | Original file | N/A |
| article pdf uploaded. | 17 March 2021 08:14 CET | Updated version of record | https://www.mdpi.com/2218-1997/7/3/68/pdf |
| article xml uploaded. | 17 March 2021 08:14 CET | Update | https://www.mdpi.com/2218-1997/7/3/68/xml |
| article xml file uploaded | 17 March 2021 08:14 CET | Original file | N/A |
| article pdf uploaded. | 13 March 2021 07:27 CET | Version of Record | https://www.mdpi.com/2218-1997/7/3/68/pdf-vor |
