| article html file updated | 20 August 2026 06:08 CEST | Update | https://www.mdpi.com/2218-1997/7/9/314 |
| article html file updated | 25 December 2025 21:46 CET | Update | N/A |
| article html file updated | 6 September 2025 23:38 CEST | Update | N/A |
| article html file updated | 28 July 2022 07:53 CEST | Update | N/A |
| article html file updated | 2 September 2021 12:58 CEST | Original file | N/A |
| article pdf uploaded. | 2 September 2021 12:56 CEST | Updated version of record | https://www.mdpi.com/2218-1997/7/9/314/pdf |
| article xml uploaded. | 2 September 2021 12:56 CEST | Update | https://www.mdpi.com/2218-1997/7/9/314/xml |
| article xml file uploaded | 2 September 2021 12:56 CEST | Original file | N/A |
| article pdf uploaded. | 25 August 2021 17:27 CEST | Version of Record | https://www.mdpi.com/2218-1997/7/9/314/pdf-vor |
