| article html file updated | 31 August 2025 14:41 CEST | Update | https://www.mdpi.com/2227-9091/8/1/30 |
| article html file updated | 20 July 2022 23:11 CEST | Update | - |
| article html file updated | 8 October 2020 18:48 CEST | Update | - |
| article html file updated | 1 April 2020 21:17 CEST | Update | - |
| article html file updated | 25 March 2020 12:55 CET | Original file | - |
| article pdf uploaded. | 25 March 2020 12:54 CET | Updated version of record | https://www.mdpi.com/2227-9091/8/1/30/pdf |
| article xml uploaded. | 25 March 2020 12:54 CET | Update | https://www.mdpi.com/2227-9091/8/1/30/xml |
| article xml file uploaded | 25 March 2020 12:54 CET | Update | - |
| article pdf uploaded. | 17 March 2020 14:03 CET | Version of Record | https://www.mdpi.com/2227-9091/8/1/30/pdf-vor |
| article xml file uploaded | 17 March 2020 14:03 CET | Original file | - |
