| article html file updated | 1 September 2025 18:28 CEST | Update | https://www.mdpi.com/2226-471X/6/1/13 |
| article html file updated | 23 July 2022 14:54 CEST | Update | - |
| article html file updated | 21 January 2021 15:44 CET | Update | - |
| article pdf uploaded. | 21 January 2021 15:43 CET | Updated version of record | https://www.mdpi.com/2226-471X/6/1/13/pdf |
| article xml uploaded. | 21 January 2021 15:43 CET | Update | https://www.mdpi.com/2226-471X/6/1/13/xml |
| article xml file uploaded | 21 January 2021 15:43 CET | Update | - |
| article html file updated | 14 January 2021 10:04 CET | Update | - |
| article html file updated | 14 January 2021 06:46 CET | Original file | - |
| article pdf uploaded. | 14 January 2021 06:44 CET | Updated version of record | https://www.mdpi.com/2226-471X/6/1/13/pdf-vor |
| article xml uploaded. | 14 January 2021 06:44 CET | Update | - |
| article xml file uploaded | 14 January 2021 06:44 CET | Original file | - |
| article pdf uploaded. | 12 January 2021 22:51 CET | Version of Record | https://www.mdpi.com/2226-471X/6/1/13/pdf-vor |
