| article html file updated | 31 August 2025 08:55 CEST | Update | https://www.mdpi.com/2226-471X/5/1/4 |
| article html file updated | 20 July 2022 17:26 CEST | Update | - |
| article html file updated | 15 February 2020 02:38 CET | Update | - |
| article html file updated | 30 January 2020 09:53 CET | Original file | - |
| article pdf uploaded. | 30 January 2020 09:52 CET | Updated version of record | https://www.mdpi.com/2226-471X/5/1/4/pdf |
| article xml uploaded. | 30 January 2020 09:52 CET | Update | https://www.mdpi.com/2226-471X/5/1/4/xml |
| article xml file uploaded | 30 January 2020 09:52 CET | Update | - |
| article pdf uploaded. | 13 January 2020 16:58 CET | Version of Record | https://www.mdpi.com/2226-471X/5/1/4/pdf-vor |
| article xml file uploaded | 13 January 2020 16:58 CET | Original file | - |
