| article html file updated | 31 August 2025 15:47 CEST | Update | https://www.mdpi.com/2075-4663/8/4/40 |
| article html file updated | 21 July 2022 00:16 CEST | Update | - |
| article html file updated | 1 April 2020 04:05 CEST | Original file | - |
| article pdf uploaded. | 1 April 2020 04:04 CEST | Updated version of record | https://www.mdpi.com/2075-4663/8/4/40/pdf |
| article xml uploaded. | 1 April 2020 04:04 CEST | Update | https://www.mdpi.com/2075-4663/8/4/40/xml |
| article xml file uploaded | 1 April 2020 04:04 CEST | Update | - |
| article pdf uploaded. | 28 March 2020 13:10 CET | Version of Record | https://www.mdpi.com/2075-4663/8/4/40/pdf-vor |
| article xml file uploaded | 28 March 2020 13:10 CET | Original file | - |
