| article html file updated | 1 September 2025 10:41 CEST | Update | https://www.mdpi.com/2227-7072/8/4/61 |
| article html file updated | 22 July 2022 20:45 CEST | Update | - |
| article html file updated | 14 October 2020 04:40 CEST | Update | - |
| article pdf uploaded. | 14 October 2020 04:39 CEST | Updated version of record | https://www.mdpi.com/2227-7072/8/4/61/pdf |
| article xml uploaded. | 14 October 2020 04:39 CEST | Update | https://www.mdpi.com/2227-7072/8/4/61/xml |
| article xml file uploaded | 14 October 2020 04:39 CEST | Update | - |
| article html file updated | 14 October 2020 04:39 CEST | Original file | - |
| article pdf uploaded. | 14 October 2020 04:37 CEST | Updated version of record | - |
| article xml uploaded. | 14 October 2020 04:37 CEST | Update | - |
| article xml file uploaded | 14 October 2020 04:37 CEST | Original file | - |
| article pdf uploaded. | 13 October 2020 12:04 CEST | Version of Record | - |
