| article html file updated | 31 August 2025 08:54 CEST | Update | https://www.mdpi.com/2227-7390/8/1/121 |
| article html file updated | 20 July 2022 17:25 CEST | Update | - |
| article html file updated | 15 February 2020 02:35 CET | Update | - |
| article html file updated | 5 February 2020 21:51 CET | Update | - |
| article html file updated | 22 January 2020 04:56 CET | Original file | - |
| article pdf uploaded. | 22 January 2020 04:55 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/1/121/pdf |
| article xml uploaded. | 22 January 2020 04:55 CET | Update | https://www.mdpi.com/2227-7390/8/1/121/xml |
| article xml file uploaded | 22 January 2020 04:55 CET | Update | - |
| article pdf uploaded. | 13 January 2020 15:30 CET | Version of Record | https://www.mdpi.com/2227-7390/8/1/121/pdf-vor |
| article xml file uploaded | 13 January 2020 15:30 CET | Original file | - |
