| article html file updated | 1 September 2025 04:35 CEST | Update | https://www.mdpi.com/2223-7747/9/8/976 |
| article html file updated | 22 July 2022 02:04 CEST | Update | N/A |
| article html file updated | 9 October 2020 16:27 CEST | Update | N/A |
| article html file updated | 4 August 2020 11:01 CEST | Original file | N/A |
| article pdf uploaded. | 4 August 2020 11:00 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/8/976/pdf |
| article xml uploaded. | 4 August 2020 11:00 CEST | Update | https://www.mdpi.com/2223-7747/9/8/976/xml |
| article xml file uploaded | 4 August 2020 11:00 CEST | Original file | N/A |
| article pdf uploaded. | 31 July 2020 16:50 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/8/976/pdf-vor |
| article pdf uploaded. | 31 July 2020 16:50 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/8/976/pdf-vor |
