| article html file updated | 31 August 2025 15:59 CEST | Update | https://www.mdpi.com/2227-7390/8/4/474 |
| article html file updated | 21 July 2022 00:28 CEST | Update | - |
| article html file updated | 2 April 2020 13:26 CEST | Update | - |
| article pdf uploaded. | 2 April 2020 05:31 CEST | Updated version of record | https://www.mdpi.com/2227-7390/8/4/474/pdf |
| article xml uploaded. | 2 April 2020 05:31 CEST | Update | https://www.mdpi.com/2227-7390/8/4/474/xml |
| article xml file uploaded | 2 April 2020 05:31 CEST | Update | - |
| article html file updated | 31 March 2020 11:00 CEST | Original file | - |
| article pdf uploaded. | 31 March 2020 10:59 CEST | Version of Record | https://www.mdpi.com/2227-7390/8/4/474/pdf-vor |
| article xml file uploaded | 31 March 2020 10:59 CEST | Original file | - |
