| article html file updated | 10 September 2025 18:00 CEST | Update | https://www.mdpi.com/2218-1997/8/6/321 |
| article html file updated | 3 August 2022 04:02 CEST | Update | N/A |
| article html file updated | 8 June 2022 16:47 CEST | Original file | N/A |
| article pdf uploaded. | 8 June 2022 16:46 CEST | Updated version of record | https://www.mdpi.com/2218-1997/8/6/321/pdf |
| article xml uploaded. | 8 June 2022 16:46 CEST | Update | https://www.mdpi.com/2218-1997/8/6/321/xml |
| article xml file uploaded | 8 June 2022 16:46 CEST | Original file | N/A |
| article pdf uploaded. | 8 June 2022 11:57 CEST | Updated version of record | N/A |
