| article html file updated | 17 August 2026 15:18 CEST | Update | https://www.mdpi.com/2220-9964/9/6/390 |
| article html file updated | 31 August 2025 23:40 CEST | Update | N/A |
| article html file updated | 21 July 2022 20:55 CEST | Update | N/A |
| article html file updated | 22 June 2020 09:11 CEST | Original file | N/A |
| article pdf uploaded. | 22 June 2020 09:10 CEST | Updated version of record | https://www.mdpi.com/2220-9964/9/6/390/pdf |
| article xml uploaded. | 22 June 2020 09:10 CEST | Update | https://www.mdpi.com/2220-9964/9/6/390/xml |
| article xml file uploaded | 22 June 2020 09:10 CEST | Original file | N/A |
| article pdf uploaded. | 15 June 2020 13:34 CEST | Updated version of record | https://www.mdpi.com/2220-9964/9/6/390/pdf-vor |
| article pdf uploaded. | 15 June 2020 13:34 CEST | Version of Record | https://www.mdpi.com/2220-9964/9/6/390/pdf-vor |
