| article html file updated | 31 August 2025 16:19 CEST | Update | https://www.mdpi.com/2223-7747/9/4/447 |
| article html file updated | 21 July 2022 00:48 CEST | Update | N/A |
| article html file updated | 9 May 2020 04:27 CEST | Update | N/A |
| article html file updated | 14 April 2020 05:11 CEST | Original file | N/A |
| article pdf uploaded. | 14 April 2020 05:09 CEST | Updated version of record | https://www.mdpi.com/2223-7747/9/4/447/pdf |
| article xml uploaded. | 14 April 2020 05:09 CEST | Update | https://www.mdpi.com/2223-7747/9/4/447/xml |
| article xml file uploaded | 14 April 2020 05:09 CEST | Update | N/A |
| article supplementary file uploaded. | 2 April 2020 16:46 CEST | - | https://www.mdpi.com/2223-7747/9/4/447#supplementary |
| article pdf uploaded. | 2 April 2020 16:46 CEST | Version of Record | https://www.mdpi.com/2223-7747/9/4/447/pdf-vor |
| article xml file uploaded | 2 April 2020 16:46 CEST | Original file | N/A |