| article html file updated | 31 August 2025 18:08 CEST | Update | https://www.mdpi.com/2226-4787/8/2/71 |
| article html file updated | 21 July 2022 02:36 CEST | Update | - |
| article html file updated | 3 June 2020 13:02 CEST | Update | - |
| article pdf uploaded. | 3 June 2020 13:00 CEST | Updated version of record | https://www.mdpi.com/2226-4787/8/2/71/pdf |
| article xml uploaded. | 3 June 2020 13:00 CEST | Update | https://www.mdpi.com/2226-4787/8/2/71/xml |
| article xml file uploaded | 3 June 2020 13:00 CEST | Update | - |
| article html file updated | 27 April 2020 10:54 CEST | Original file | - |
| article pdf uploaded. | 27 April 2020 10:53 CEST | Updated version of record | https://www.mdpi.com/2226-4787/8/2/71/pdf-vor |
| article xml file uploaded | 27 April 2020 10:53 CEST | Update | - |
| article pdf uploaded. | 21 April 2020 17:19 CEST | Version of Record | https://www.mdpi.com/2226-4787/8/2/71/pdf-vor |
| article xml file uploaded | 21 April 2020 17:19 CEST | Original file | - |