| article html file updated | 1 September 2025 11:22 CEST | Update | https://www.mdpi.com/2227-7099/8/4/88 |
| article html file updated | 22 July 2022 21:44 CEST | Update | - |
| article html file updated | 21 October 2020 05:01 CEST | Update | - |
| article pdf uploaded. | 21 October 2020 04:05 CEST | Updated version of record | https://www.mdpi.com/2227-7099/8/4/88/pdf |
| article xml uploaded. | 21 October 2020 04:05 CEST | Update | https://www.mdpi.com/2227-7099/8/4/88/xml |
| article xml file uploaded | 21 October 2020 04:05 CEST | Update | - |
| article html file updated | 20 October 2020 12:01 CEST | Original file | - |
| article pdf uploaded. | 20 October 2020 11:24 CEST | Version of Record | https://www.mdpi.com/2227-7099/8/4/88/pdf-vor |
| article xml uploaded. | 20 October 2020 11:24 CEST | Update | - |
| article xml file uploaded | 20 October 2020 11:24 CEST | Original file | - |
