| article html file updated | 19 August 2026 04:36 CEST | Update | https://www.mdpi.com/2227-7099/9/2/42 |
| article html file updated | 2 September 2025 01:35 CEST | Update | N/A |
| article html file updated | 25 July 2022 09:03 CEST | Update | N/A |
| article html file updated | 3 August 2021 00:14 CEST | Update | N/A |
| article html file updated | 25 March 2021 16:59 CET | Update | N/A |
| article pdf uploaded. | 25 March 2021 16:58 CET | Updated version of record | https://www.mdpi.com/2227-7099/9/2/42/pdf |
| article xml uploaded. | 25 March 2021 16:58 CET | Update | https://www.mdpi.com/2227-7099/9/2/42/xml |
| article xml file uploaded | 25 March 2021 16:58 CET | Update | N/A |
| article html file updated | 24 March 2021 12:36 CET | Original file | N/A |
| article pdf uploaded. | 24 March 2021 12:35 CET | Version of Record | https://www.mdpi.com/2227-7099/9/2/42/pdf-vor |
| article xml file uploaded | 24 March 2021 12:35 CET | Original file | N/A |
