| article html file updated | 31 August 2025 11:08 CEST | Update | https://www.mdpi.com/2227-9717/8/2/209 |
| article html file updated | 20 July 2022 19:39 CEST | Update | - |
| article html file updated | 6 March 2020 21:29 CET | Update | - |
| article html file updated | 26 February 2020 13:17 CET | Update | - |
| article pdf uploaded. | 26 February 2020 13:16 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/209/pdf |
| article xml uploaded. | 26 February 2020 13:16 CET | Update | https://www.mdpi.com/2227-9717/8/2/209/xml |
| article xml file uploaded | 26 February 2020 13:16 CET | Update | - |
| article html file updated | 15 February 2020 13:39 CET | Original file | - |
| article pdf uploaded. | 15 February 2020 13:38 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/2/209/pdf-vor |
| article xml uploaded. | 15 February 2020 13:38 CET | Update | - |
| article xml file uploaded | 15 February 2020 13:38 CET | Update | - |
| article pdf uploaded. | 8 February 2020 15:28 CET | Version of Record | https://www.mdpi.com/2227-9717/8/2/209/pdf-vor |
| article xml file uploaded | 8 February 2020 15:28 CET | Original file | - |
