| article html file updated | 18 August 2026 01:11 CEST | Update | https://www.mdpi.com/2218-1997/6/9/149 |
| article html file updated | 1 September 2025 08:02 CEST | Update | N/A |
| article html file updated | 22 July 2022 06:32 CEST | Update | N/A |
| article html file updated | 10 September 2020 06:29 CEST | Original file | N/A |
| article pdf uploaded. | 10 September 2020 06:28 CEST | Updated version of record | https://www.mdpi.com/2218-1997/6/9/149/pdf |
| article xml uploaded. | 10 September 2020 06:28 CEST | Update | https://www.mdpi.com/2218-1997/6/9/149/xml |
| article xml file uploaded | 10 September 2020 06:28 CEST | Original file | N/A |
| article pdf uploaded. | 9 September 2020 13:21 CEST | Version of Record | N/A |
