| article html file updated | 31 August 2025 08:19 CEST | Update | https://www.mdpi.com/2227-7390/8/1/91 |
| article html file updated | 19 July 2022 20:00 CEST | Update | - |
| article html file updated | 15 February 2020 00:32 CET | Update | - |
| article html file updated | 5 February 2020 21:45 CET | Update | - |
| article html file updated | 14 January 2020 05:28 CET | Original file | - |
| article pdf uploaded. | 14 January 2020 05:27 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/1/91/pdf |
| article xml uploaded. | 14 January 2020 05:27 CET | Update | https://www.mdpi.com/2227-7390/8/1/91/xml |
| article xml file uploaded | 14 January 2020 05:27 CET | Update | - |
| article pdf uploaded. | 6 January 2020 13:14 CET | Version of Record | https://www.mdpi.com/2227-7390/8/1/91/pdf-vor |
| article xml file uploaded | 6 January 2020 13:14 CET | Original file | - |
