| article html file updated | 1 September 2025 19:49 CEST | Update | https://www.mdpi.com/2227-9067/8/2/88 |
| article html file updated | 24 July 2022 03:33 CEST | Update | - |
| article html file updated | 28 January 2021 02:36 CET | Update | - |
| article pdf uploaded. | 28 January 2021 02:35 CET | Updated version of record | https://www.mdpi.com/2227-9067/8/2/88/pdf |
| article xml uploaded. | 28 January 2021 02:35 CET | Update | https://www.mdpi.com/2227-9067/8/2/88/xml |
| article xml file uploaded | 28 January 2021 02:35 CET | Update | - |
| article html file updated | 27 January 2021 09:49 CET | Original file | - |
| article pdf uploaded. | 27 January 2021 09:48 CET | Version of Record | https://www.mdpi.com/2227-9067/8/2/88/pdf-vor |
| article xml uploaded. | 27 January 2021 09:48 CET | Update | - |
| article xml file uploaded | 27 January 2021 09:48 CET | Original file | - |
