| article html file updated | 2 September 2025 05:43 CEST | Update | https://www.mdpi.com/2226-471X/6/2/81 |
| article html file updated | 26 July 2022 17:37 CEST | Update | - |
| article html file updated | 10 May 2021 03:47 CEST | Update | - |
| article pdf uploaded. | 10 May 2021 03:45 CEST | Updated version of record | https://www.mdpi.com/2226-471X/6/2/81/pdf |
| article xml uploaded. | 10 May 2021 03:45 CEST | Update | https://www.mdpi.com/2226-471X/6/2/81/xml |
| article xml file uploaded | 10 May 2021 03:45 CEST | Update | - |
| article html file updated | 7 May 2021 07:55 CEST | Update | - |
| article pdf uploaded. | 7 May 2021 07:54 CEST | Updated version of record | https://www.mdpi.com/2226-471X/6/2/81/pdf-vor |
| article xml file uploaded | 7 May 2021 07:54 CEST | Update | - |
| article html file updated | 30 April 2021 07:54 CEST | Original file | - |
| article pdf uploaded. | 30 April 2021 07:52 CEST | Version of Record | https://www.mdpi.com/2226-471X/6/2/81/pdf-vor |
| article xml file uploaded | 30 April 2021 07:52 CEST | Original file | - |
