| article html file updated | 31 August 2025 18:06 CEST | Update | https://www.mdpi.com/2227-9032/8/2/104 |
| article html file updated | 21 July 2022 02:34 CEST | Update | - |
| article html file updated | 9 May 2020 03:07 CEST | Update | - |
| article pdf uploaded. | 9 May 2020 03:06 CEST | Updated version of record | https://www.mdpi.com/2227-9032/8/2/104/pdf |
| article xml uploaded. | 9 May 2020 03:06 CEST | Update | https://www.mdpi.com/2227-9032/8/2/104/xml |
| article xml file uploaded | 9 May 2020 03:06 CEST | Update | - |
| article html file updated | 7 May 2020 09:05 CEST | Original file | - |
| article pdf uploaded. | 7 May 2020 09:04 CEST | Updated version of record | https://www.mdpi.com/2227-9032/8/2/104/pdf-vor |
| article xml file uploaded | 7 May 2020 09:04 CEST | Update | - |
| article pdf uploaded. | 21 April 2020 14:26 CEST | Version of Record | https://www.mdpi.com/2227-9032/8/2/104/pdf-vor |
| article xml file uploaded | 21 April 2020 14:26 CEST | Original file | - |
