| article html file updated | 31 August 2025 11:48 CEST | Update | https://www.mdpi.com/2227-7390/8/2/257 |
| article html file updated | 20 July 2022 20:18 CEST | Update | - |
| article html file updated | 6 March 2020 07:30 CET | Update | - |
| article html file updated | 28 February 2020 08:52 CET | Original file | - |
| article pdf uploaded. | 28 February 2020 08:51 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/257/pdf |
| article xml uploaded. | 28 February 2020 08:51 CET | Update | https://www.mdpi.com/2227-7390/8/2/257/xml |
| article xml file uploaded | 28 February 2020 08:51 CET | Update | - |
| article pdf uploaded. | 15 February 2020 12:18 CET | Updated version of record | https://www.mdpi.com/2227-7390/8/2/257/pdf-vor |
| article xml file uploaded | 15 February 2020 12:18 CET | Update | - |
| article pdf uploaded. | 15 February 2020 12:18 CET | Version of Record | https://www.mdpi.com/2227-7390/8/2/257/pdf-vor |
| article xml file uploaded | 15 February 2020 12:18 CET | Original file | - |
