| article html file updated | 31 August 2025 22:23 CEST | Update | https://www.mdpi.com/2223-7747/9/6/708 |
| article html file updated | 21 July 2022 06:48 CEST | Update | N/A |
| article html file updated | 6 July 2020 12:52 CEST | Update | N/A |
| article html file updated | 22 June 2020 04:28 CEST | Original file | N/A |
| article pdf uploaded. | 22 June 2020 04:26 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/6/708/pdf |
| article xml uploaded. | 22 June 2020 04:26 CEST | Update | https://www.mdpi.com/2223-7747/9/6/708/xml |
| article xml file uploaded | 22 June 2020 04:26 CEST | Original file | N/A |
| article supplementary file uploaded. | 2 June 2020 13:18 CEST | - | https://www.mdpi.com/2223-7747/9/6/708#supplementary |
| article pdf uploaded. | 2 June 2020 13:18 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/6/708/pdf-vor |
