| article html file updated | 26 December 2025 23:00 CET | Update | https://www.mdpi.com/2218-1997/8/2/138 |
| article html file updated | 7 September 2025 23:38 CEST | Update | N/A |
| article html file updated | 1 August 2022 01:53 CEST | Update | N/A |
| article html file updated | 22 February 2022 07:45 CET | Original file | N/A |
| article pdf uploaded. | 22 February 2022 07:43 CET | Updated version of record | https://www.mdpi.com/2218-1997/8/2/138/pdf |
| article xml uploaded. | 22 February 2022 07:42 CET | Update | https://www.mdpi.com/2218-1997/8/2/138/xml |
| article xml file uploaded | 22 February 2022 07:42 CET | Original file | N/A |
| article pdf uploaded. | 21 February 2022 15:58 CET | Version of Record | https://www.mdpi.com/2218-1997/8/2/138/pdf-vor |
