| article html file updated | 31 August 2025 15:29 CEST | Update | https://www.mdpi.com/1999-4923/12/4/298 |
| article html file updated | 20 July 2022 23:59 CEST | Update | - |
| article html file updated | 8 May 2020 13:27 CEST | Update | - |
| article html file updated | 31 March 2020 13:06 CEST | Original file | - |
| article pdf uploaded. | 31 March 2020 13:05 CEST | Updated version of record | https://www.mdpi.com/1999-4923/12/4/298/pdf |
| article xml uploaded. | 31 March 2020 13:05 CEST | Update | https://www.mdpi.com/1999-4923/12/4/298/xml |
| article xml file uploaded | 31 March 2020 13:05 CEST | Update | - |
| article pdf uploaded. | 25 March 2020 16:03 CET | Version of Record | https://www.mdpi.com/1999-4923/12/4/298/pdf-vor |
| article xml file uploaded | 25 March 2020 16:03 CET | Original file | - |
