| article html file updated | 31 August 2025 17:15 CEST | Update | https://www.mdpi.com/2227-9059/8/4/87 |
| article html file updated | 21 July 2022 01:44 CEST | Update | - |
| article html file updated | 8 May 2020 12:31 CEST | Update | - |
| article html file updated | 24 April 2020 09:52 CEST | Original file | - |
| article pdf uploaded. | 24 April 2020 09:51 CEST | Updated version of record | https://www.mdpi.com/2227-9059/8/4/87/pdf |
| article xml uploaded. | 24 April 2020 09:51 CEST | Update | https://www.mdpi.com/2227-9059/8/4/87/xml |
| article xml file uploaded | 24 April 2020 09:51 CEST | Update | - |
| article pdf uploaded. | 13 April 2020 12:56 CEST | Version of Record | https://www.mdpi.com/2227-9059/8/4/87/pdf-vor |
| article xml file uploaded | 13 April 2020 12:56 CEST | Original file | - |
