| article html file updated | 31 August 2025 11:59 CEST | Update | https://www.mdpi.com/2227-9717/8/2/232 |
| article html file updated | 20 July 2022 20:30 CEST | Update | - |
| article html file updated | 6 March 2020 21:37 CET | Update | - |
| article html file updated | 27 February 2020 16:05 CET | Original file | - |
| article pdf uploaded. | 27 February 2020 16:04 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/232/pdf |
| article xml uploaded. | 27 February 2020 16:04 CET | Update | https://www.mdpi.com/2227-9717/8/2/232/xml |
| article xml file uploaded | 27 February 2020 16:04 CET | Update | - |
| article pdf uploaded. | 18 February 2020 12:53 CET | Version of Record | https://www.mdpi.com/2227-9717/8/2/232/pdf-vor |
| article xml file uploaded | 18 February 2020 12:53 CET | Original file | - |
