| article html file updated | 31 August 2025 15:39 CEST | Update | https://www.mdpi.com/1999-4923/12/4/303 |
| article html file updated | 21 July 2022 00:08 CEST | Update | - |
| article html file updated | 8 May 2020 13:28 CEST | Update | - |
| article html file updated | 27 March 2020 12:07 CET | Original file | - |
| article pdf uploaded. | 27 March 2020 12:06 CET | Version of Record | https://www.mdpi.com/1999-4923/12/4/303/pdf |
| article xml uploaded. | 27 March 2020 12:06 CET | Update | https://www.mdpi.com/1999-4923/12/4/303/xml |
| article xml file uploaded | 27 March 2020 12:06 CET | Original file | - |
