| article html file updated | 17 August 2026 07:01 CEST | Update | https://www.mdpi.com/2223-7747/9/4/411 |
| article html file updated | 24 December 2025 18:07 CET | Update | N/A |
| article html file updated | 31 August 2025 15:34 CEST | Update | N/A |
| article html file updated | 21 July 2022 00:04 CEST | Update | N/A |
| article html file updated | 9 May 2020 04:23 CEST | Update | N/A |
| article html file updated | 27 March 2020 09:01 CET | Original file | N/A |
| article pdf uploaded. | 27 March 2020 09:00 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/4/411/pdf |
| article xml uploaded. | 27 March 2020 09:00 CET | Update | https://www.mdpi.com/2223-7747/9/4/411/xml |
| article xml file uploaded | 27 March 2020 09:00 CET | Update | N/A |
| article pdf uploaded. | 26 March 2020 14:36 CET | Updated version of record | https://www.mdpi.com/2223-7747/9/4/411/pdf-vor |
| article xml file uploaded | 26 March 2020 14:36 CET | Update | N/A |
| article pdf uploaded. | 26 March 2020 14:36 CET | Version of Record | https://www.mdpi.com/2223-7747/9/4/411/pdf-vor |
| article xml file uploaded | 26 March 2020 14:36 CET | Original file | N/A |
