| article html file updated | 1 September 2025 17:14 CEST | Update | https://www.mdpi.com/1424-2818/13/1/7 |
| article html file updated | 23 July 2022 08:08 CEST | Update | - |
| article html file updated | 30 December 2020 11:03 CET | Update | - |
| article pdf uploaded. | 30 December 2020 11:02 CET | Updated version of record | https://www.mdpi.com/1424-2818/13/1/7/pdf |
| article xml uploaded. | 30 December 2020 11:02 CET | Update | https://www.mdpi.com/1424-2818/13/1/7/xml |
| article xml file uploaded | 30 December 2020 11:02 CET | Update | - |
| article html file updated | 29 December 2020 09:47 CET | Original file | - |
| article supplementary file uploaded. | 29 December 2020 09:46 CET | - | https://www.mdpi.com/1424-2818/13/1/7#supplementary |
| article pdf uploaded. | 29 December 2020 09:46 CET | Version of Record | https://www.mdpi.com/1424-2818/13/1/7/pdf-vor |
| article xml uploaded. | 29 December 2020 09:46 CET | Update | - |
| article xml file uploaded | 29 December 2020 09:46 CET | Original file | - |
