| article html file updated | 1 September 2025 19:18 CEST | Update | https://www.mdpi.com/2227-9067/8/2/69 |
| article html file updated | 23 July 2022 22:02 CEST | Update | - |
| article html file updated | 25 January 2021 05:05 CET | Update | - |
| article pdf uploaded. | 25 January 2021 05:04 CET | Updated version of record | https://www.mdpi.com/2227-9067/8/2/69/pdf |
| article xml uploaded. | 25 January 2021 05:04 CET | Update | https://www.mdpi.com/2227-9067/8/2/69/xml |
| article xml file uploaded | 25 January 2021 05:04 CET | Update | - |
| article html file updated | 21 January 2021 14:02 CET | Original file | - |
| article supplementary file uploaded. | 21 January 2021 14:01 CET | - | https://www.mdpi.com/2227-9067/8/2/69#supplementary |
| article pdf uploaded. | 21 January 2021 14:01 CET | Version of Record | https://www.mdpi.com/2227-9067/8/2/69/pdf-vor |
| article xml uploaded. | 21 January 2021 14:01 CET | Update | - |
| article xml file uploaded | 21 January 2021 14:01 CET | Original file | - |
