| article html file updated | 31 August 2025 15:29 CEST | Update | https://www.mdpi.com/2227-7390/8/4/461 |
| article html file updated | 20 July 2022 23:58 CEST | Update | N/A |
| article html file updated | 2 April 2020 13:28 CEST | Original file | N/A |
| article pdf uploaded. | 2 April 2020 06:08 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/4/461/pdf |
| article xml uploaded. | 2 April 2020 06:08 CEST | Update | https://www.mdpi.com/2227-7390/8/4/461/xml |
| article xml file uploaded | 2 April 2020 06:08 CEST | Update | N/A |
| article pdf uploaded. | 25 March 2020 15:26 CET | Version of Record | https://www.mdpi.com/2227-7390/8/4/461/pdf-vor |
| article xml file uploaded | 25 March 2020 15:26 CET | Original file | N/A |
