| article html file updated | 31 August 2025 18:20 CEST | Update | https://www.mdpi.com/2223-7747/9/4/548 |
| article html file updated | 21 August 2025 23:48 CEST | Update | N/A |
| article html file updated | 21 July 2022 02:47 CEST | Update | N/A |
| article html file updated | 9 May 2020 04:39 CEST | Update | N/A |
| article html file updated | 27 April 2020 11:35 CEST | Original file | N/A |
| article pdf uploaded. | 27 April 2020 11:33 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/548/pdf |
| article xml uploaded. | 27 April 2020 11:33 CEST | Update | https://www.mdpi.com/2223-7747/9/4/548/xml |
| article xml file uploaded | 27 April 2020 11:33 CEST | Update | N/A |
| article pdf uploaded. | 23 April 2020 13:34 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/548/pdf-vor |
| article xml file uploaded | 23 April 2020 13:34 CEST | Original file | N/A |
