| article html file updated | 1 September 2025 15:45 CEST | Update | https://www.mdpi.com/2221-3759/8/4/32 |
| article html file updated | 23 July 2022 04:42 CEST | Update | - |
| article html file updated | 11 December 2020 11:57 CET | Update | - |
| article pdf uploaded. | 11 December 2020 11:56 CET | Updated version of record | https://www.mdpi.com/2221-3759/8/4/32/pdf |
| article xml uploaded. | 11 December 2020 11:56 CET | Update | https://www.mdpi.com/2221-3759/8/4/32/xml |
| article xml file uploaded | 11 December 2020 11:55 CET | Update | - |
| article html file updated | 11 December 2020 11:40 CET | Update | - |
| article pdf uploaded. | 11 December 2020 11:37 CET | Updated version of record | - |
| article xml uploaded. | 11 December 2020 11:37 CET | Update | - |
| article xml file uploaded | 11 December 2020 11:37 CET | Update | - |
| article html file updated | 11 December 2020 10:01 CET | Original file | - |
| article pdf uploaded. | 11 December 2020 09:51 CET | Version of Record | - |
| article xml uploaded. | 11 December 2020 09:51 CET | Update | - |
| article xml file uploaded | 11 December 2020 09:51 CET | Original file | - |
