| article html file updated | 17 August 2026 15:24 CEST | Update | https://www.mdpi.com/2223-7747/9/6/755 |
| article html file updated | 31 August 2025 23:45 CEST | Update | N/A |
| article html file updated | 21 July 2022 21:00 CEST | Update | N/A |
| article html file updated | 6 July 2020 13:01 CEST | Update | N/A |
| article html file updated | 18 June 2020 05:41 CEST | Original file | N/A |
| article pdf uploaded. | 18 June 2020 05:40 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/755/pdf |
| article xml uploaded. | 18 June 2020 05:40 CEST | Update | https://www.mdpi.com/2223-7747/9/6/755/xml |
| article xml file uploaded | 18 June 2020 05:40 CEST | Original file | N/A |
| article supplementary file uploaded. | 16 June 2020 12:22 CEST | - | https://www.mdpi.com/2223-7747/9/6/755#supplementary |
| article pdf uploaded. | 16 June 2020 12:22 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/6/755/pdf-vor |
